people who are believed to belong to the same genetic stock; "some biologists doubt that there are important genetic differences between races of human beings"
compete in a race; "he is running the Marathon this year"; "let's race and see who gets there first"
cause to move fast or to rush or race; "The psychologist raced the rats through a long maze"
to work as fast as possible towards a goal, sometimes in competition with others; "We are racing to find a cure for AIDS"
cartilaginous fishes having horizontally flattened bodies and enlarged winglike pectoral fins with gills on the underside; most swim by moving the pectoral fins
any of the stiff bony rods in the fin of a fish
a branch of an umbel or an umbelliform inflorescence
(mathematics) a straight line extending from a point
emit as rays; "That tower rays a laser beam for miles across the sky"
United States tennis player who in 1938 was the first to win the Australian and French and English and United States singles championship in the same year (1915-2000)