noun (biology) a taxonomic group that is a division of a species; usually arises as a consequence of geographical isolation within a species
Synonymssubspecies
noun the flow of air that is driven backwards by an aircraft propeller
noun a canal for a current of water
Synonymsraceway
verb move hurridly
verb compete in a race
Synonymsrun
verb cause to move fast or to rush or race
Synonymsrush
Source: WordNet 3.1, Princeton University
