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TRUNNIONED

 - 2 dictionary results

trun⋅nion

  [truhn-yuhn]
Use TRUNNIONED in a Sentence
–noun
1. either of the two cylindrical projections on a cannon, one on each side for supporting the cannon on its carriage.
2. any of various similar supports for machinery.
Origin:
1615–25; < F trognon trunk, stump, core (of fruit)

Related forms:
trunnioned, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Word Origin & History

trunnion 
1625, "either of two round projections of a cannon," from Fr. trognon "core of fruit, stump, tree trunk," from M.Fr. troignon (14c.), probably, from L. truncus (see trunk).
Online Etymology Dictionary, © 2001 Douglas Harper
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