When you push something away from a central structure, that's called projection. If you predict that the Jets will win tomorrow's game, that's a projection, too — you're pushing your mind away from the present and into the future.

The Jets and projection actually have a common linguistic ancestor. Both the ject in projection and the word jet come from the Latin root jactus, which means "throw." A jet plane throws itself — or projects itself — away from a central structure (the Earth) and into the air.

Definitions of projection
  1. noun
    the act of expelling or projecting or ejecting
    synonyms: ejection, expulsion, forcing out
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    belch, belching, burp, burping, eructation
    a reflex that expels gas noisily from the stomach through the mouth
    the forceful expulsion of something from inside
    coughing up
    the act of expelling (food or phlegm) by coughing
    expectoration, spit, spitting
    the act of spitting (forcefully expelling saliva)
    disgorgement, emesis, regurgitation, vomit, vomiting
    the reflex act of ejecting the contents of the stomach through the mouth
    regurgitation of small amounts of food; seen in some infants after feeding
    haematemesis, hematemesis
    vomiting blood
    severe and excessive vomiting
    type of:
    actuation, propulsion
    the act of propelling
  2. noun
    the act of projecting out from something
    synonyms: jut, jutting, protrusion
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    type of:
    change of shape
    an action that changes the shape of something
  3. noun
    any structure that branches out from a central support
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    arm, branch, limb
    any projection that is thought to resemble a human arm
    a circular projection that sticks outward from the crown of a hat
    rough projection left on a workpiece after drilling or cutting
    a metal or leather projection (as from the sole of a shoe); prevents slipping
    the topmost projecting part of an entablature
    drip, drip mold, drip mould
    (architecture) a projection from a cornice or sill designed to protect the area below from rainwater (as over a window or doorway)
    flange, rim
    a projection used for strength or for attaching to another object
    flue, fluke
    flat bladelike projection on the arm of an anchor
    a projection out from one end
    boss, knob
    a circular rounded projection or protuberance
    a rounded projection that is part of a larger structure
    a projecting piece that is used to lift or support or turn something
    projection that extends beyond or hangs over something else
    a pointed projection
    a sharp-pointed projection along the top of a fence or wall (or a dinosaur)
    a projection at the end of a piece of wood that is shaped to fit into a mortise and form a mortise joint
    something resembling the tooth of an animal
    one of a number of uniform projections on a gear
    bill, eyeshade, peak, visor, vizor
    a brim that projects to the front to shade the eyes
    calk, calkin
    a metal cleat on the bottom front of a horseshoe to prevent slipping
    cog, sprocket
    tooth on the rim of gear wheel
    dripstone, hoodmold, hoodmould
    a protective drip that is made of stone
    the overhang at the lower edge of a roof
    an overhang consisting of the fan-shaped part of the deck extending aft of the sternpost of a ship
    a small knob
    flattened boss on the end of nail opposite to the point
    the head of a pin
    snap brim
    a brim that can be turned up and down on opposite sides
    prong on a fork or pitchfork or antler
    type of:
    construction, structure
    a thing constructed; a complex entity constructed of many parts
  4. noun
    any solid convex shape that juts out from something
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    (military) the part of the line of battle that projects closest to the enemy
    a sharp projection on an edge or surface
    bulge, bump, excrescence, extrusion, gibbosity, gibbousness, hump, jut, prominence, protrusion, protuberance, swelling
    something that bulges out or is protuberant or projects from its surroundings
    acantha, spine, spur
    any sharply pointed projection
    tail, tail end
    any projection that resembles the tail of an animal
    knife, tongue
    any long thin projection that is transient
    a projection or ridge that suggests a keel
    frontal eminence
    either prominence of the frontal bone above each orbit
    occipital protuberance
    prominence on the outer surface of the occipital bone
    a part that bulges deeply
    a headlike protuberance on an organ or structure
    a bump on a ski slope
    nub, nubble
    a small lump or protuberance
    a sharp protuberance
    any small rounded protuberance (as on certain plants or animals)
    type of:
    convex shape, convexity
    a shape that curves or bulges outward
  5. noun
    a prediction made by extrapolating from past observations
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    anticipation, prediction, prevision
    the act of predicting (as by reasoning about the future)
  6. noun
    the representation of a figure or solid on a plane as it would look from a particular direction
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    map projection
    a projection of the globe onto a flat map using a grid of lines of latitude and longitude
    conformal projection, orthomorphic projection
    a map projection in which a small area is rendered in its true shape
    conic projection, conical projection
    a map projection of the globe onto a cone with its point over one of the earth's poles
    equal-area map projection, equal-area projection
    a map projection in which quadrilaterals formed by meridians and parallels have an area on the map proportional to their area on the globe
    Mercator projection, Mercator's projection
    a map projection of the earth onto a cylinder; areas appear greater the farther they are from the equator
    type of:
    a creation that is a visual or tangible rendering of someone or something
  7. noun
    the projection of an image from a film onto a screen
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    type of:
    visual communication
    communication that relies on vision
  8. noun
    a planned undertaking
    synonyms: project
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    cash cow, money-spinner, moneymaker
    a project that generates a continuous flow of money
    type of:
    plan, program, programme
    a series of steps to be carried out or goals to be accomplished
  9. noun
    (psychiatry) a defense mechanism by which your own traits and emotions are attributed to someone else
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    defence, defence mechanism, defence reaction, defense, defense mechanism, defense reaction
    (psychiatry) an unconscious process that tries to reduce the anxiety associated with instinctive desires
  10. noun
    the acoustic phenomenon that gives sound a penetrating quality
    “our ukuleles have been designed to have superior sound and projection
    “a prime ingredient of public speaking is projection of the voice”
    synonyms: acoustic projection, sound projection
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    type of:
    acoustic phenomenon
    a physical phenomenon associated with the production or transmission of sound
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