the GNU version of the Collaborative International Dictionary of English
n. Enough to fill a plate; as much as a plate will hold.
The Century Dictionary and Cyclopedia
n. As much as a plate will hold.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. the quantity contained in a plate
Word Usage
"This time I hit the FSB fringe buffet, where I managed not only to down a plateful of sandwiches and assorted foodstuffs in record time, but I also succeeded in escaping the room with a coffee before the meeting began."