What is the meaning of Barm?

bosom

lap

Foam rising upon beer or other malt liquors when fermenting, used as leaven in brewing and making bread; yeast.

A small, round, flat individual loaf or roll of bread.

To spurge; foam

bast

warm, hot

The lap (The portion of one's legs that lies flat while sitting)

chest, torso, abdomen

belly, stomach

A flat surface that serves as a resting-place.

Alternative form of berme (yeast)

a bosom

bosom

a corner of a sail

Romanization of 𐌱𐌰𐍂𐌼

indefinite accusative singular of barmur

bosom

Source: wiktionary.org