acorn nut

From Wiktionary, the free dictionary
Jump to navigation Jump to search

English[edit]

acorn nuts

Etymology[edit]

acorn +‎ nut, because it looks like an acorn.

Noun[edit]

acorn nut (plural acorn nuts)

  1. (engineering) A closed nut having a dome-like cap over the rear protruding part of the engaged screw or bolt.

Synonyms[edit]