Breadcrumb Home > Dictionary > Index C coom: Meaning and Definition of Find definitions for: coom Pronunciation: (km), [key] — n. Chiefly Scot. and North Eng. soot; coal dust; smut. dust, esp. sawdust or dust from a gristmill. grease from bearings, axles, etc. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. cooly coomb TrendingHere are the facts and trivia that people are buzzing about. Hanukkah Origins of the Christmas Holiday Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 Krampus: The Christmas Devil Kwanzaa ✖ Related Content Daily Word Quiz: anomie Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language