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trunnion definition


This page has 3 definitions of trunnion in English. Trunnion is a noun. Also define these 0 related words and terms: .


The trunnion is the stubby cylindrical projection from the side of the cannon

Alternative forms


From French trognon (core, stump).



trunnion (plural trunnions)

  1. One of the short stubby bearings on either side of a cannon; a gudgeon.
  2. A similar rotational bearing comprising a rotating arc or ring sliding in the groove of a stationary arc, used in machinery to allow a workpiece to be moved relative to a fixed tool.
  3. A similar rotational bearing used in automotive suspensions.