types:
cylinder head
a detachable plate that covers the closed end of a cylinder chamber in a reciprocating engine or pump
damper
a movable iron plate that regulates the draft in a stove or chimney or furnace
engraving
a block or plate or other hard surface that has been engraved
escutcheon
(nautical) a plate on a ship's stern on which the name is inscribed
fin keel
a metal plate projecting from the keel of a shallow vessel to give it greater lateral stability
fishplate
metal plate bolted along sides of two rails or beams
grid,
storage-battery grid
a perforated or corrugated metal plate used in a storage battery as a conductor and support for the active material
L-plate
a square plate bearing the letter L that is attached to both ends of a car to indicate that the driver is a learner
platen
the flat plate of a printing press that presses the paper against the type
plessimeter,
pleximeter
a small thin metal plate held against the body and struck with a plexor in percussive examinations
tap
a small metal plate that attaches to the toe or heel of a shoe (as in tap dancing)
boilerplate
thick plate iron used in the production of boilers
brake disk
a disk or plate that is fixed to the wheel; pressure is applied to it by the brake pads
deadeye
(nautical) a round hardwood disk with holes and a grooved perimeter used to tighten a shroud
diaphragm
electro-acoustic transducer that vibrates to receive or produce sound waves
doorplate
a nameplate fastened to a door; indicates the person who works or lives there
etching
an etched plate made with the use of acid
Frisbee
a light, plastic disk about 10 inches in diameter; propelled with a flip of the wrist for recreation or competition
gravure
a printing plate used in the process of gravure
hockey puck,
puck
a vulcanized rubber disk 3 inches in diameter that is used instead of a ball in ice hockey
tank iron
plate iron that is thinner than boilerplate but thicker than sheet iron or stovepipe iron
token
a metal or plastic disk that can be redeemed or used in designated slot machines