barm Hear it!

barm Definition

barm (bärm)

noun

the yeast foam that appears on the surface of malt liquors as they ferment

Etymology: ME berme < OE beorma, yeast < IE base *bher-, to boil up > ferment, breath

barm Usage Examples

Noun used with modifier

  • bacon: We even got a bacon barm / hot tea send off from our base at the start of the exercise!