n. 1 a small peg or plug, esp. for insertion into the vent-hole of a cask. 2 a US a tap. b a device for controlling the flow of liquid in a tap. 3 the plain end of a pipe-section fitting into the socket of the next one.
[ ME, perh. f. Prov. espigou(n) f. L spiculum dimin. of spicum = SPICA ]