\A*broach"\, v. t. [OE. abrochen, OF. abrochier. See {Broach}.] To set abroach; to let out, as liquor; to broach; to tap. [Obs.] --Chaucer.
\A*broach"\, adv. [Pref. 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; afoot; astir. ``Mischiefs that I set abroach.'' --Shak.