Prefix tri-

a three-sided figure

• triangle

• tricycle

• trilogy

• trisect

a race that combines three activities-swimming, bicycling, and running

• trio

• triathlon

• triceratops

• trilateral

a dinosaur with three horns-two long horns above the eyes and one short horn on the nose

• trisect

• trio

• triceratops

• trilateral

to cut into three parts

• triangle

• triathlon

• trilingual

• trisect

a three-legged stool, table, or stand used to hold things, such as a camera

• trisect

• trilingual

• tripod

• tricycle

a group of three people or things

• triangle

• trio

• trilingual

• tripod

a vehicle with three wheels

• trio

• trilingual

• tricycle

• triathlon

able to speak three different languages

• trilingual

• tripod

• triceratops

• trilogy

three related plays or novels

• triceratops

• triangle

• trilogy

• tripod

having or involving three sides, countries, or parties

• tricycle

• trilateral

• trio

• trisect