| Noun | 1. | second period - the second division into which the play of a game is divided division, section, part - one of the portions into which something is regarded as divided and which together constitute a whole; "the written part of the exam"; "the finance section of the company"; "the BBC's engineering division" period of play, playing period, play - (in games or plays or other performances) the time during which play proceeds; "rain stopped play in the 4th inning" |