/ Dictionary / Index C coagulum: Meaning and Definition of Find definitions for: co•ag•u•lum Pronunciation: (kō-ag'yu-lum), [key] — pl. -la any coagulated mass; precipitate; clump; clot. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: coagulum (Thesaurus) coagulate Coahuila Related Content Daily Word Quiz: entomology Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language