1. Soot that gathers over an oven's month; matter that works out of the naves of wheels.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• comm,
• coom,
• coome,
• cahm,
• coam,
• cohm,
• kohm,
• koom,
• xcoom,
• cxoom,
• vcoom,
• cvoom,
• fcoom,
• cfoom,
• cioom,
• coiom,
• cokom,
• coomm,
• coahm,
• Coohim

The plural of the "Coom" can be the "cooms".

The singular of the "Coom" can be the "Coom".