race

noun

1.
any competition
Derived from:
race
2.
a contest of speed
rease time attack
Derived from:
race racy
3.
people who are believed to belong to the same genetic stock
Derived from:
racial
4.
(biology) a taxonomic group that is a division of a species; usually arises as a consequence of geographical isolation within a species
subspecies
5.
the flow of air that is driven backwards by an aircraft propeller
airstream backwash slipstream wash
6.
a canal for a current of water
raceway