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Runnion vs Trunnion - What's the difference?

runnion | trunnion |

As nouns the difference between runnion and trunnion

is that runnion is alternative form of ronion while trunnion is one of the short stubby bearings on either side of a cannon; a gudgeon.

runnion

English

Noun

(en noun)
    • (Webster 1913)

    trunnion

    English

    Alternative forms

    * trunion

    Noun

    (en noun)
  • One of the short stubby bearings on either side of a cannon; a gudgeon.
  • 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.