最終更新日：2024/07/29

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

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acorn nut

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元となった辞書の項目

acorn nut

noun

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

I found an acorn nut on the ground.

意味（1）

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