Initialism of recreation and athletics centre. / Initialism of Regional Advisory Committee. / (computing, databases) Initialism of Real Application Cluster.

(music) Initialism of rock against communism, a subgenre of hardcore punk associated with neo-nazism.

Initialism of Recombinant Advisory Committee. / (UK, automotive) Initialism of Royal Automobile Club.

(chemistry) Alternative form of race-; Denoting a racemic mix or racemate (before a vowel)

plural of RAC

A nocturnal omnivore native to North America, typically with a mixture of gray, brown, and black fur, a mask-like marking around the eyes and a striped tail; Procyon lotor.

A contest between people, animals, vehicles, etc. where the goal is to be the first to reach some objective. Example: Several horses run in a horse race, and the first one to reach the finishing post wins

(intransitive) To take part in a race (in the sense of a contest). / (transitive) To compete against in such a race. / (intransitive) To move or drive at high speed; to hurry or speed.

A large group of people distinguished from others on the basis of a common heritage (compare ethnic group). See Wikipedia's article on historical definitions of race.

To assign a race to; to perceive as having a (usually specified) race.