Definitions
1.nounA position of power or influence, or a way to get it."His parents got him an in with the company."
2.noun(chiefly in the plural) One who, or that which, is in; especially, one who is in office.
3.nounThe state of a batter/batsman who is currently batting; see innings.
4.nounA re-entrant angle; a nook or corner.
5.nounAbbreviation of inch; inches.