trunnion

English

trunnion is stubby cylindrical projection from the side of the cannon

Alternative forms

• trunion

Etymology

From (deprecated template usage) [etyl] French trognon (“core, stump”).

Pronunciation

• IPA^(key): /ˈtɹʌn.jən/
• Rhymes: -ʌnjən

Noun

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.