adverb, adjective

opened or tapped so that the contents can flow out; broached: The cask was set abroach.
astir; in circulation.

Origin of abroach

First recorded in 1350–1400, abroach is from the Middle English word abroche. See a-1, broach
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British Dictionary definitions for abroach



(postpositive) (of a cask, barrel, etc) tapped; broached

Word Origin for abroach

C14: from Old French abrochier from a- to + brochier to broach 1
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012