trimotor

[ trahy-moh-ter ]
/ ˈtraɪˌmoʊ tər /
|

noun

an airplane or other vehicle that has three motors.

Origin of trimotor

First recorded in 1920–25; tri- + motor
Related formstri·mo·tored, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for trimotor