• (v. t.) To set abroach; to let out, as liquor; to broach; to tap. • (adv.) Broached; in a condition for letting out or yielding liquor, as a cask which is tapped. • (adv.) Hence: In a state to be diffused or propagated; afoot; astir. Found on http://thinkexist.com/dictionary/meaning/abroach/
A·broach' adverb [ Prefix a- + broach .] 1. Broached; in a condition for letting out or yielding liquor, as a cask which is tapped. « Hogsheads of ale were set abroach . Sir W. Scott. » 2. Hence: In a state to be diffused or propagated; afoo... Found on http://www.encyclo.co.uk/webster/A/8
A·broach' transitive verb [ Middle English abrochen , Old French abrochier . See Broach .] To set abroach; to let out, as liquor; to broach; to tap. [ Obsolete] Chaucer. Found on http://www.encyclo.co.uk/webster/A/8