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.
"The coach shouted from the dugout as the rainstorm interrupted the seventh inning, leaving both teams waiting to see if they could finish the ninth before the field became too muddy to play on."
present participle of inn
"The weary traveler finally found an inn to rest his head after a long day on the road."