noun.
One of a series of recurring occasions, cases, essentially the same.
noun.
A dungeon or other area that is duplicated for each player, or each party of players, that enters it, so that each player or party has a private copy of the area, isolated from other players.
noun.
An individual copy of such a dungeon or other area.
verb.
To mention as a case or example; to refer to; to cite; as, to instance a fact.
verb.
To cite an example as proof; to exemplify.