/ Dictionary / Index C Cocos Plate: Meaning and Definition of Find definitions for: Co'cos Plate" Pronunciation: [key] — Geol. Geol. a tectonic division of the earth's crust, coincident with the oceanic Guatemala Basin, and bounded on the north and east by the Central American Trench, on the west by the East Pacific Rise, and on the south by the Nazca Plate. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Cocos Islands cocotte Related Content Daily Word Quiz: fresco Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language