castle nut

名词 n.
中文释义

英文释义

名词 n.
  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.

词形变化

castle nuts plural

词源

The projections resemble the turrets of a castle.
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