1.【航】(二小时换班的)折半轮值;夜班
2.〈俚〉(报社记者等的)额外值班
1.on a ship, the late afternoon watch from 4.00 p.m. to 6.00 p.m. or the early evening watch from 6.00 p.m. to 8.00 p.m.