The sport of competing in races.

present participle of race

The quality of being radiant, shining, bright or splendid. / (physics) The flux of radiation emitted per unit solid angle in a given direction by a unit area of a source.

(cycle racing) A multi-day cycle race consisting of a series of separate races (called stages) of various types (road races, criteriums, time trials) usually held one stage per day and all linked together by the general classification (GC).

the sport of racing cars or other vehicles on frozen lakes or rivers

The bunny cactus (Opuntia microdasys), which has erect, flat branches covered prominently with bristles.

A parasite, Psoroptes cuniculi, that causes cheyletiellosis and psoroptic mange in rabbits.

The rotary, rather than propulsive, motion produced by a propeller. / (mechanics) The rotation of the inner and outer parts of a bearing race.

A field glass used at horseraces, usually as a pair (binoculars).

a ball bearing in a bearing race that has been shaped so that a radial load passes radially through the bearing