/ Dictionary / Index C caseation: Meaning and Definition of Find definitions for: ca•se•a•tion Pronunciation: (kā"sē-ā'shun), [key] — n. transformation of tissue into a soft cheeselike mass, as in tuberculosis. the formation of cheese from casein during the coagulation of milk. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. caseate case bay 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