dog-watch/ˈdɔgwɔtʃ; ?@ ˈdɔ:g-; `dɔɡˌwɑtʃ/ n(on ships) either of the two-hour watches (watch1 1a), 4 pm to 6 pm or 6 pm to 8 pm （船上）两小时值班（下午4至6时或6至8时）.
牛津英汉双解词典