blockage

Something that physically obstructs or blocks an opening or tube is a blockage. A blockage in your sink drain can make it overflow.

There are two main kinds of blockages — the first affects your plumbing, impeding water from flowing through your pipes. The other type of blockage is a medical condition, affecting your circulatory system. The blockage in your uncle's arteries might mean he needs surgery. The noun blockage, from about 1827, comes from block, "solid piece," from the Old French bloc, "block of wood."

Definitions of blockage
  1. noun
    an obstruction in a pipe or tube
    “we had to call a plumber to clear out the blockage in the drainpipe”
    synonyms: block, closure, occlusion, stop, stoppage
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    types:
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    breech closer, breechblock
    a metal block in breech-loading firearms that is withdrawn to insert a cartridge and replaced to close the breech before firing
    plug, stopper, stopple
    blockage consisting of an object designed to fill a hole tightly
    vapor lock, vapour lock
    a stoppage in a pipeline caused by gas bubbles (especially a stoppage that develops in hot weather in an internal-combustion engine when fuel in the gas line boils and forms bubbles that block the flow of gasoline to the carburetor)
    bung, spile
    a plug used to close a hole in a barrel or flask
    bottle cork, cork
    the plug in the mouth of a bottle (especially a wine bottle)
    drainplug
    a removable plug for holding water in a tub or basin
    earplug
    a plug of cotton, wax, or rubber that is fitted into the ear canal for protection against the entry of water or loud noise
    fipple
    a wooden plug forming a flue pipe (as the mouthpiece of a recorder)
    tampion, tompion
    plug for the muzzle of a gun to keep out dust and moisture
    tampon
    plug of cotton or other absorbent material; inserted into wound or body cavity to absorb exuded fluids (especially blood)
    spigot, tap
    a plug for a bunghole in a cask
    type of:
    impediment, impedimenta, obstructer, obstruction, obstructor
    any structure that makes progress difficult
  2. noun
    the act of blocking
    synonyms: closure, occlusion
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    types:
    implosion
    the initial occluded phase of a stop consonant
    type of:
    obstruction
    the act of obstructing
  3. noun
    the physical condition of blocking or filling a passage with an obstruction
    synonyms: obstruction
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    types:
    ileus, intestinal obstruction
    blockage of the intestine (especially the ileum) that prevents the contents of the intestine from passing to the lower bowel
    tamponade, tamponage
    blockage or closure (as of a wound or body cavity) by (or as if by) a tampon (especially to stop bleeding)
    cardiac tamponade
    mechanical compression of the heart resulting from large amounts of fluid collecting in the pericardial space and limiting the heart's normal range of motion
    type of:
    physical condition, physiological condition, physiological state
    the condition or state of the body or bodily functions
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