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trunnion

Syllabification: (trun·nion)
Pronunciation: /ˈtrənyən/
Definition of trunnion

noun

  • a pin or pivot forming one of a pair on which something is supported.
  • a supporting cylindrical projection on each side of a cannon or mortar.

Origin:

early 17th century: from French trognon 'core, tree trunk', of unknown origin

trunnion in other Oxford dictionaries

Definition of trunnion in the British & World English dictionary

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