Meanings

ratites

roadrunner

street racer

running parallel (to)

driving on two wheels

to act on one's emotions

(cell) migration

pre-cum

taxis

stray typhoon (i.e. one with an irregular path)

short-distance race

run

long-distance race

short-distance race

long-distance runner

long-distance race

chemotaxis

travel time (esp. of waves, earthquake shocks, etc.)

travel-time table

scanning device