Barm is a 4 letter English word. It's valid Scrabble word worth 8 points. It's valid Words with friends word worth 10 points.
You can make 37 anagrams from letters in barm (abmr).
before 1000; Middle English berme, Old English beorma; cognate with Frisian berme, German Bärme, Swedish bärme; akin to ferment
The measure of that is, till the barm (which is raised to a great head) beginneth a little to fall.
Yeast, or barm, or leaven was used both in baking and in brewing.
He took her body on his arm, Her slumbering head lay on his barm.
Playing the lonely martyr, too, wasn't much fun with this mischief working inside of him and swelling his lungs like barm.
Seek your sa' where you got your ail, and beg your barm where you buy your ale.
When it is cold, set it together with some barm, as you do Beer.
If a pottle of barm do not make it work enough to your mind, you may put in a little more.
And then you may work it with barm if you please; but it is most commended without.
If you will have it to drink presently, take the whites of two or three Eggs, of barm a spoonful, and as much of Wheaten-flower.
barm, brm, n. froth of beer or other fermenting liquor, used as leaven: yeast.