1. Yeast; the scum rising upon malt liquor when fermenting, and used as leaven.

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

• narm,
• garm,
• bzrm,
• bsrm,
• bwrm,
• bqrm,
• baem,
• bafm,
• batm,
• ba5m,
• ba4m,
• vbarm,
• bvarm,
• nbarm,
• bnarm,
• hbarm,
• bharm,
• gbarm,
• bgarm,
• bzarm

• bahrein,
• barroom,
• barium,
• barren,
• Barron,
• barn,
• barmy,
• barham,
• bahrain,
• bairn.

The adjective form of the word "barm" is "barmy".

The plural of the "barm" can be the "barms".

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