Watch v. i. : The act of watching; forbearance of sleep; vigil; wakeful, vigilant, or constantly observant attention; close observation; guard; preservative or preventive vigilance; formerly, a watching or guarding by night.

Watch v. i. : One who watches, or those who watch; a watchman, or a body of watchmen; a sentry; a guard.

Watch v. i. : The post or office of a watchman; also, the place where a watchman is posted, or where a guard is kept.

Watch v. i. : The period of the night during which a person does duty as a sentinel, or guard; the time from the placing of a sentinel till his relief; hence, a division of the night.

Watch v. i. : A small timepiece, or chronometer, to be carried about the person, the machinery of which is moved by a spring.

Watch n. : An allotted portion of time, usually four hour for standing watch, or being on deck ready for duty. Cf. Dogwatch.

Watch n. : That part, usually one half, of the officers and crew, who together attend to the working of a vessel for an allotted time, usually four hours. The watches are designated as the port watch, and the starboard watch.

Watch v. i. : To be awake; to be or continue without sleep; to wake; to keep vigil.

Watch v. i. : To be attentive or vigilant; to give heed; to be on the lookout; to keep guard; to act as sentinel.

Watch v. i. : To be expectant; to look with expectation; to wait; to seek opportunity.

Watch v. i. : To remain awake with any one as nurse or attendant; to attend on the sick during the night; as, to watch with a man in a fever.

Watch v. i. : To serve the purpose of a watchman by floating properly in its place; -- said of a buoy.

Watch v. t. : To give heed to; to observe the actions or motions of, for any purpose; to keep in view; not to lose from sight and observation; as, to watch the progress of a bill in the legislature.

Watch v. t. : To tend; to guard; to have in keeping.

Example:
Watch!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!?

Taxonomy
watches, movements, balance wheel, clocks, wristwatch, timekeeping, mechanical movements, accuracy, timepieces, quartz movements, mainspring, winding, mechanism, the movement, hands, pocketwatches, water resistant, electronic watches.

Defination from the web:
... 20th century, most watches were pocket watches, which often had covers and were carried in a pocket and attached to a watch chain or watch fob. ... Nevertheless, the "old world" craftsmanship of mechanical watches still attracts interest from part of the watch-buying public. ...