Meaning of TRUNNION in English

TRUNNION

ˈtrənyən noun

( -s )

Etymology: French trognon core, stalk, stump

1. : either of two opposite gudgeons on which a cannon is swiveled — see cannon illustration

2. : a pin or pivot usually mounted on bearings for rotating or tilting something

• trun·nioned -yənd adjective

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.