behind
/bi-ˈhīnd/
adverb or adjective
in the place or situation that is being or has been departed from
in, to, or toward the back
later in time
stay behind
look behind
preposition
in or to a place or situation in back of or to the rear of
—used as a function word to indicate something that screens an observer
following in order
look behind you
noun
buttocks —often used as a euphemism for ass in idiomatic expressions