castle nut

Fetched 2026-10-26 (cache).

Synonyms: candle nut, castle nuts

Antonyms: candle nut, castle nuts

Related words from Datamuse; suggestions, not definitions.

Noun

1. A [[nut]] with rounded extensions projecting past the nut's opening. A [[cotter pin]] is inserted through a hole in the bolt and bent around the castle nut's projections to lock the nut in place.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.