trunnion

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English

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English Wikipedia has an article on:
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The trunnion is the stubby cylindrical projection from the side of the cannon

Alternative forms

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Etymology

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From French trognon (core, stump).

Pronunciation

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Noun

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trunnion (plural trunnions)

  1. One of the short stubby bearings on either side of a cannon; a pintle.
  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 shaft, held by a bearing, at each end or side of a rotatable object.
    • 1964 December, “Beyond the Channel: Belgium: Conveyance of molten iron”, in Modern Railways, page 432:
      To discharge, the conveyor is rotated laterally on its trunnions and the metal flows into a ladle carried on a travelling crane, which conveys it to the converter.
  4. A similar rotational bearing used in automotive suspensions.

Derived terms

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