trunnion Hear it!

trunnion Definition

trun·nion (trun′yən)

noun

  1. either of two projecting pivots, located on each side of a cannon or its mount, by which the muzzle is raised and lowered
  2. either of any similar pair of pins or pivots

Etymology: Fr trognon, a stump, trunk

trunnion Usage Examples

Adjective modifier

  • top: The fitment of the top trunnion requires correct shimming to prevent any vertical movement and without binding.
  • front: Once on the low-loader it was found that the front vacuum cylinder trunnions fouled the " swan neck " of the low-loader.

Modifies a noun

  • bolt: Remove the split pin and undo the slotted nut from the trunnion bolt.
  • ring: A few of these guns have a trunnion ring made of cast iron.

Noun used with modifier

  • cable: Introduced since this picture was taken are the stainless steel cable trunnions.