1

coom

noun \ˈküm\
variants: or

coomb

\ˈküm\

Definition of coom

plural

-s

  1. 1 dialectal, British a :  soot, smut b :  coal dust or coal slack

  2. 2 :  grease exuding from axle boxes or bearings

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Origin and Etymology of coom

Middle English culme — more at culm


2

coom

noun \"\
variants: or

coomb

\"\

Definition of coom

plural

-s

Scottish

  1. :  the wooden centering or frame on which a masonry arch is built

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Origin and Etymology of coom

origin unknown


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