noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A textured or threaded washer used to prevent components from become loose during rotation. On bicycles they are found, for example, on a bottom bracket and a track hub.
2. 2
   washer that prevents a nut from loosening wordnet
3. 3
   A ring (usually of steel) that is part of a wheelrim on some types of heavy equipment; it locks down the tire's mounting.
4. 4
   Any of various types of jewellery or components thereof, such as rings with a locking feature or rings that lock a chain closed.

Synonyms

All synonyms

lock ringlock washer

Etymology

From lock + ring.

Related phrases

bottom bracket

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