The rear, back-end.
(informal) The buttocks, bottom, butt.
(Australian rules football) A one-point score.
(baseball, slang, 1800s) The catcher.
In the Eton College field game, any of a group of players consisting of two "shorts" (who try to kick the ball over the bully) and a "long" (who defends the goal).
Not advanced to the required or expected degree; overdue or in arrears.
(of a watch or clock) Slow.
A preposition "behind" indicates a position at or to the back or far side of something, can also mean being concealed by something serving as a facade or disguise, and can be used figuratively to refer to something in the past.
A preposition "behind" indicates being less forward or advanced than, after in physical progress or distance, after in developmental progress or time, and inferior to.
Responsible for, being the creator or controller of.
Underlying, being the reason for or explanation of.
In support of.
(sometimes regarded as nonstandard, US, informal) Following, subsequent to; as a result or consequence of.
At or in the rear or back part of something.
In a rearward direction.
So as to come after someone or something in position, distance, advancement, ranking, time, etc.
So as to be still in place after someone or something has departed or ceased to exist.
Backward in time or order of succession; past.
Behind the scenes in a theatre; backstage.
(archaic) Not yet brought forward, produced, or exhibited to view; out of sight; remaining.