draincock

Etymology

From drain + cock.

draincock means A tap or valve used to draw off water (or other liquid) from the lowest part of a tank, boiler, etc. Lexicurio rates it Sui generis — a strength score of 90 out of 100.

noun

A tap or valve used to draw off water (or other liquid) from the lowest part of a tank, boiler, etc.“His chief trouble was stray sheep, and he scared most of them off with the draincocks and whistle.”