session/ˋsɛʃən; ˈseʃ$n/n [C] 1 a period of time used for a particular activity, especially by a group of people〔一组人从事某项活动的〕一段时间: We run training sessions . 我们开设培训课。There will be a question-and-answer session later. 稍后有一段问答时间。2 a formal meeting, or group of meetings, of a law court or parliament〔法院的〕开庭﹔〔议会的〕会议: +of a new session of Parliament 议会的新一轮会议in session (=meeting) 在开庭﹔在开会The court is now in session. 现在开庭。