Common name of the extinct genus Triceratops; herbivorous ceratopsids from the late Cretaceous.

(law) A person or group of people given the responsibility of determining the facts of a case from evidence presented in a legal proceeding.

(yoga) Trikonasana.

A test in which a potential consumer is asked to determine blindly which of three similar items is not identical to the other two.

Alternative spelling of hat trick

A tribe and township of Alabama-Coushatta peoples (Creek Nation) living in Oklahoma and headquartered in Wetumka, Oklahoma. The members of the tribe speak the Muskogean languages of Alabama, Koasati, and Creek.

testing of watercraft

(dentistry) Having three cusps, e.g. a molar tooth / (anatomy) Describing the valve, between the right atrium and ventricle of the heart, that has three triangular segments

A molar tooth that has three cusps

(Britain) A fixed pillar with a metal housing for a theodolite on the top of a high point in the landscape; originally used for making Ordnance Survey maps.