A trunnion (from Old French trognon 'trunk') [1] is a cylindrical protrusion used as a mounting or pivoting point. First associated with cannons, they are an important military development.

Locking Trunnions A locking trunnion is a specialized type used to secure and immobilize a supported component in a specific position. It incorporates a locking mechanism to prevent …

The meaning of TRUNNION is a pin or pivot on which something can be rotated or tilted; especially : either of two opposite gudgeons on which a cannon is swiveled.

Discover what a trunnion mount is and how it functions in various industrial applications. Learn about its key features, benefits, and common uses to improve equipment stability and …

Oct 25, 2025 · trunnion (plural trunnions) (firearms) One of the short stubby bearings on either side of a cannon; a pintle. (engineering) A similar rotational bearing comprising a rotating arc …

Trunnion Explained A trunnion [1] is a cylindrical protrusion used as a mounting or pivoting point. First associated with cannons, they are an important military development. [2] In mechanical …

Define trunnion. trunnion synonyms, trunnion pronunciation, trunnion translation, English dictionary definition of trunnion. n. A pin or gudgeon, especially either of two small cylindrical …

Sep 21, 2025 · Learn about the term 'trunnion,' its applications, and usage in diverse engineering fields. Understand how trunnions function in machinery and infrastructure.

2 senses: 1. one of a pair of coaxial projections attached to opposite sides of a container, cannon, etc, to provide a support.... Click for more definitions.

TRUNNION definition: either of the two cylindrical projections on a cannon, one on each side for supporting the cannon on its carriage. See examples of trunnion used in a sentence.