Meaning of coom

coom

Pronunciation: (km), [key]
— n. Chiefly Scot. and North Eng.
  1. soot; coal dust; smut.
  2. dust, esp. sawdust or dust from a gristmill.
  3. grease from bearings, axles, etc.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.