A watchman; a scout, spy. Obsolete. A military watchman, sentinel, or look-out; also a scout, spy; esp. a watchman in a camp, castle, or fortified…

A sentinel; also, the body of soldiers constituting the guard of a camp, town, gate of a town, etc. ? Obsolete exc. Historical.

= sentry, n.1 2. to stand sentinel (rarely passive to be set sentinel). †forlorn sentinel, = †sentinel perdu, perdu sentinel: see perdu, adj. 1.

Each of the successive periods of one hundred years reckoned forwards or backwards in time from a conventional starting point, esp. the date…

A person appointed to patrol and inspect sentries, guards, or watchmen. In early use chiefly Military. Now historical and rare.

Military and Navy. An armed soldier or marine posted at a specified point to keep guard and to prevent the passing of an unauthorized person; spec…

Military. A mounted sentry placed in advance of the outposts of an army to observe the movements of the enemy.