[Middle English braul, from braullen, to quarrel.] brawl'er n., brawl'ing·ly adv.
Synonyms: These nouns denote a noisy, disorderly, and often violent quarrel or fight: a barroom brawl; a broil between the opposing teams; a vicious legal donnybrook; a fracas among prison inmates; eager for the fray; a free-for-all in the schoolyard; police plunging into the melee; an angry domestic row.
c.1378, braulen "to cry out, quarrel," prob. related to Du. brallen "to boast," or from Fr. brailler "to shout noisily," freq. of braire "to bray." The noun is 1460, from the verb.