[VENT sb.2] A small peg for inserting in the vent-hole of a cask; a spile.
1707. Mortimer, Husb., 573. Leaving your Vent-peg always open palls it [sc. March-beer]. Ibid., 574. If once you pull out the Vent-peg, to draw a Quantity at once.
1747–96. Mrs. Glasse, Cookery, xxii. 349. Mind you have a vent-peg at the top of the vessel.
1830. M. Donovan, Dom. Econ., I. 209. If on drawing out the vent-peg of the cask the liquor spurts up with force.
1844. Dickens, Chimes, iii. Pulling out the vent-peg of the table-beer.
1875. Knight, Dict. Mech., 2703/2. The vent-peg [of the vent-cock] consists of a tubular, threaded stem, which may be screwed into a cask.
