plughole

Etymology

From plug + hole.

plughole means the hole at the bottom of a bath, sink or tub, which can be blocked using a plug; a drain (US). Lexicurio rates it Sui generis — a strength score of 88 out of 100.

noun

The hole at the bottom of a bath, sink or tub, which can be blocked using a plug; a drain (US)“The plughole started to slurp loudly as the water went down it.”