to observe or inspect carefully or critically
to interrogate
to determine the aptitude, skills or qualifications of someone by subjecting them to an examination
to check the health or condition of something or someone
To observe over a period of time; to notice or pay attention.
To mind, attend, or guard.
To be wary or cautious of.
To serve the purpose of a watchman by floating properly in its place.
To be vigilant or on one's guard.
To look at, see, or view for a period of time.
To remain awake with a sick or dying person; to maintain a vigil.
To act as a lookout.
To attend to dangers to or regarding.
A portable or wearable timepiece.
The act of guarding and observing someone or something.
A period of wakefulness between the two sleeps of a biphasic sleep pattern (the dead sleep or first sleep and morning sleep or second sleep): the first waking.
The post or office of a watchman; also, the place where a watchman is posted, or where a guard is kept.
A particular time period when guarding is kept.
A person or group of people who guard.
A period of time on duty, usually four hours in length; the officers and crew who tend the working of a vessel during the same watch. (FM 55–501).
The act of seeing, or viewing, for a period of time.
A group of sailors and officers aboard a ship or shore station with a common period of duty: starboard watch, port watch.