plat•yPronunciation: (plā'tē), [key]
—adj., plat•i•er, plat•i•est.
(of an igneous rock) split into thin, flat sheets, often resembling strata, as a result of uneven cooling.
plat•yPronunciation: (plat'ē), [key]
—pl. (esp. collectively) plat•y, (esp. referring to two or more kinds or species) plat•ys, plat•ies.
a combining form meaning “flat,” “broad,” used in the formation of compound words: platyhelminth. Also,plat-.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.