from G5442; a guarding or (concretely, guard), the act, the person; figuratively, the place, the condition, or (specially), the time (as a division of day or night), literally or figuratively:--cage, hold, (im-)prison(-ment), ward, watch.
guard, watch
a watching, keeping watch
to keep watch
persons keeping watch, a guard, sentinels
of the place where captives are kept, a prison
of the time (of night) during which guard was kept, a watch i.e. a period of time during which part of the guard was on duty, and at the end of which others relieved them. As the earlier Greeks divided the night commonly into three parts, so, previous to the exile, the Israelites also had three watches in a night; subsequently, however, after they became subject to the Romans, they adopted the Roman custom of dividing the night into four watches
