Definition of "inning"

(baseball) A period of play in which members of a visiting baseball team attempt to hit a baseball pitched by the opposing home team until three players are called out, followed by a similar attempt by members of the home baseball team against the visiting team's pitching. There are nine or more innings in a regulation baseball game.  examples

(softball) A similar period of play.  examples

(billiards) A player (or team)'s turn at the table to make shots until ended by a miss or a foul.  examples

A chance or opportunity to perform some deed or act.  examples

(obsolete) The gathering of a crop; harvesting.  quotations

(obsolete) Lands recovered from the sea.  quotations

present participle and gerund of inn  examples