(railways) Having a pair of tracks in order to allow trains to pass in opposite directions.

plural of track bike

Suddenly; abruptly, just where one stands.

Alternative form of backtrack

plural of track stand

(idiomatic) Further along, in terms of time or progress.

(Scrabble) The act of keeping track of which letters have been played, usually by crossing them off a printed list.

The conspicuous signs of artery and vein damage brought on by chronic injection of drugs.

Alternative form of tenure-track

(education, of a professorship or other academic job) Possessing contractually guaranteed terms of employment specifying that, after a period of time, the employed person will be considered for tenure status, which typically confers enhanced job security and sometimes other benefits.