/ Dictionary / Index C caseate: Meaning and Definition of Find definitions for: ca•se•ate Pronunciation: (kā'sē-āt"), [key] — -at•ed, -at•ing. to undergo caseation. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: caseate (Thesaurus) case caseation Related Content Daily Word Quiz: impetuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language