n What something does or is used for.
n A professional or official position.
n An official or social occasion.
n (slang) A party.
n Something which is dependent on or stems from another thing; a result or concomitant.
n A relation where one thing is dependent on another for its existence, value, or significance.
n (mathematics) A relation in which each element of the domain is associated with exactly one element of the codomain.
n (computing) A routine that receives zero or more arguments and may return a result.
n (biology) The physiological activity of an organ or body part.
n (chemistry) The characteristic behavior of a chemical compound.
n (anthropology) The role of a social practice in the continued existence of the group.
v (intransitive) To have a function.
v (intransitive) To carry out a function; to be in action.