board³ v 1 [I,T] to get on a plane, ship, train etc, in order to travel somewhere 登上〔飞机、轮船、火车等〕: Passengers in rows 15 to 25 may now board the plane. 第 15 到 25 排的乘客现在可以登机了。 2 [I] if a plane or ship is boarding, passengers are getting onto it 登机; 上船: Flight 503 for Lisbon is now boarding. 飞往里斯本的 503 号航班现在可以登机了。
board sth ↔ up to cover a window or door with wooden boards 用〔木板〕封上〔窗、门〕: The house next door has been boarded up for months. 隔壁的房子已被封了几个月。