noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A plug for a drain; especially, one on an oil pan, transmission, gearbox, or differential case.
2. 2
   a removable plug for holding water in a tub or basin wordnet

Etymology

From drain + plug.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.