Capable of being rack-mounted

A racehorse considered certain to win / (by extension) Anything considered certain to happen; a sure thing

Any of a range of dark green colours, originally associated with British racing cars

(US, idiomatic) The competitive process in which a political party selects their candidate, especially presidential; a primary election via caucus.

(originally Britain, idiomatic) A laborious but arbitrary and futile activity; an activity that amounts to running around in a circle, expending great energy but not accomplishing anything.

A type of bat used to hit the ball in the game of squash.

(informal) Any amount of free time to sleep or rest.

A two-member team race in which one team member holds the legs of the other, as if the handles of a wheelbarrow. The team member playing the barrow runs on his/her hands.

A bicycle stand.

Alternative spelling of tennis racket