outing

outing
/ˈautɪŋ; `aʊtɪŋ/ n
short pleasure trip; excursion 短途旅行; 远足: go on an outing 去远足
    an outing to the seaside 到海滨游玩
    the firm's annual outing to the theatre 公司一年一度的外出观剧活动.

牛津英汉双解词典