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A clock, or other timepiece, used as a standard of correct time. See Astronomical clock (a), under Clock.

d of, a duty enjoined, or information expected; as, the committee will report at twelve o'clock.

Systematic method or practice; as, my ule is to rise at six o'clock.

To cease to work or operate on account of the exhaustion of the motive power; -- said of clocks, watches, etc. (b) To decline in condition; as, to run down in health. -- To run down a coast, to sail along it. -- To run for an office, to stand as a candidate for an office. -- To run in or into. (a) To enter; to step…

the wheel in an escapement (as of a clock or a watch) into the teeth of which the pallets play.

ed to the alto. Second hand, the hand which marks the seconds on the dial of a watch or a clock.

To make to agree with some standard; as, to set a watch or a clock.

Precisely; exactly; as, we shall start at ten o'clock sharp. [Colloq.] Look sharp, attend; be alert. [Colloq.]

n respect to the stars; as, the sidereal revolution of a planet; a sidereal day. Sidereal clock, day, month, year. See under Clock, Day, etc. -- Sideral time, time as reckoned by sideral days, or, taking the sidereal day as the unit, the time elapsed since a transit of the vernal equinox, reckoned in parts of a sidere…

An apparatus consisting essentially of a mirror moved by clockwork so as to throw the rays of the sun or a star in a fixed direction; -- a more general term for heliostat.

Behind in time; indicating a time earlier than the true time; as, the clock or watch is slow.

ng motion to, or changing the position of, another part, as the hammer tail of a striking clock.

; to give a signal for by a certain sound; as, to sound a retreat; to sound a parley. The clock sounded the hour of noon. G. H. Lewes.

sisting of a spectroscopic camera used in combination with a telescope, and provided with clockwork for moving the sun's image across the slit. -- Spec`tro*he`li*o*graph"ic (#), a.

Whole; entire; -- said of the hour as marked by the striking of a clock. [Scot.] He persevered for a stricken hour in such a torrent of unnecessary tattle. Sir W. Scott. Speeches are spoken by the stricken hour, day after day, week, perhaps, after week. Bayne.

To cause to sound by one or more beats; to indicate or notify by audible strokes; as, the clock strikes twelve; the drums strike up a march.

The striking of the clock to tell the hour. Well, but what's o'clock - Upon the stroke of ten. -- Well, let is strike. Shak.

er the beam. (b) A reversible or sidehill plow. -- Swing wheel. (a) The scape-wheel in a clock, which drives the pendulum. (b) The balance of a watch.

to agree in time; as, to synchronize the movements of different machines; to synchronize clocks.

nclined vanes, which is turned by the current. The rotations of the wheel are recorded by clockwork.