trunnion
Meaning
- 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.
- A shaft, held by a bearing, at each end or side of a rotatable object.
- A similar rotational bearing used in automotive suspensions.
Pronounced as (IPA)
/ˈtɹʌn.jən/
Etymology
From French trognon (“core, stump”).
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Notes