an airplane or other vehicle that has three motors
Derived forms
trimotored
adjective
Word origin
[1920–25; tri- + motor]This word is first recorded in the period 1920–25. Other words that entered Englishat around the same time include: follow-up, montage, self-service, tie-in, zippertri- is a combining form meaning “three,” used in the formation of compound words. Otherwords that use the affix tri- include: triathlon, triforium, trilemma, trinomial, trio