Quick definitions from WordNet (plate)

▸ noun:  dish on which food is served or from which food is eaten
▸ noun:  a metal sheathing of uniform thickness (such as the shield attached to an artillery piece to protect the gunners)
▸ noun:  a sheet of metal or wood or glass or plastic
▸ noun:  a shallow receptacle for collection in church
▸ noun:  structural member consisting of a horizontal beam that provides bearing and anchorage
▸ noun:  a full-page illustration (usually on slick paper)
▸ noun:  a flat sheet of metal or glass on which a photographic image can be recorded
▸ noun:  the positively charged electrode in a vacuum tube
▸ noun:  any flat platelike body structure or part
▸ noun:  a main course served on a plate ("A vegetable plate")
▸ noun:  the thin under portion of the forequarter
▸ noun:  a rigid layer of the Earth's crust that is believed to drift slowly
▸ noun:  the quantity contained in a plate
▸ noun:  the position on a baseball team of the player who is stationed behind home plate and who catches the balls that the pitcher throws ("He plays behind the plate")
▸ noun:  a dental appliance that artificially replaces missing teeth
▸ noun:  (baseball) base consisting of a rubber slab where the batter stands; it must be touched by a base runner in order to score
▸ verb:  coat with a layer of metal ("Plate spoons with silver")
▸ name:  A surname (very rare: popularity rank in the U.S.: #23490)

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▸ Also see plate