Clock n.
 1. A machine for measuring time, indicating the hour and other divisions; in ordinary mechanical clocks for domestic or office use the time is indicated on a typically circular face or dial plate containing two hands, pointing to numbers engraved on the periphery of the face, thus showing the hours and minutes. The works of a mechanical clock are moved by a weight or a spring, and it is often so constructed as to tell the hour by the stroke of a hammer on a bell. In electrical or electronic clocks, the time may be indicated, as on a mechanical clock, by hands, but may also be indicated by direct digital readout, with the hours and minutes in normal Arabic numerals.  The readout using hands is often called analog to distinguish it from the digital readout.  Some clocks also indicate the seconds. Clocks are not adapted, like the watch, to be carried on the person.  Specialized clocks, such as atomic clocks, may be constructed on different principles, and may have a very high precision for use in scientific observations.
 2. A watch, esp. one that strikes. [Obs.]
 3. The striking of a clock. [Obs.]
 4. A figure or figured work on the ankle or side of a stocking.
 Note: ☞ The phrases what o'clock? it is nine o'clock, etc., are contracted from what of the clock? it is nine of the clock, etc.
 Alarm clock. See under Alarm.
 Astronomical clock. (a) A clock of superior construction, with a compensating pendulum, etc., to measure time with great accuracy, for use in astronomical observatories; -- called a regulator when used by watchmakers as a standard for regulating timepieces. (b) A clock with mechanism for indicating certain astronomical phenomena, as the phases of the moon, position of the sun in the ecliptic, equation of time, etc.
 Electric clock. (a) A clock moved or regulated by electricity or electro-magnetism. (b) A clock connected with an electro-magnetic recording apparatus.
 Ship's clock Naut., a clock arranged to strike from one to eight strokes, at half hourly intervals, marking the divisions of the ship's watches.
 Sidereal clock, an astronomical clock regulated to keep sidereal time.
 E·lec·tric E·lec·tric·al a.
 1. Pertaining to electricity; consisting of, containing, derived from, or produced by, electricity; as, electric power or virtue; an electric jar; electric effects; an electric spark; an electric charge; an electric current; an electrical engineer.
 2. Capable of occasioning the phenomena of electricity; as, an electric or electrical machine or substance; an electric generator.
 3. Electrifying; thrilling; magnetic. “Electric Pindar.”
 Electric atmosphere, or  Electric aura. See under Aura.
 Electrical battery. See Battery.
 Electrical brush. See under Brush.
 Electric cable. See Telegraph cable, under Telegraph.
 Electric candle. See under Candle.
 Electric cat Zoöl., one of three or more large species of African catfish of the genus Malapterurus (esp. M. electricus of the Nile). They have a large electrical organ and are able to give powerful shocks; -- called also sheathfish.
 Electric clock. See under Clock, and see Electro-chronograph.
 Electric current, a current or stream of electricity traversing a closed circuit formed of conducting substances, or passing by means of conductors from one body to another which is in a different electrical state.
 Electric eel, or  Electrical eel Zoöl., a South American eel-like fresh-water fish of the genus Gymnotus (G. electricus), from two to five feet in length, capable of giving a violent electric shock. See Gymnotus.
 Electrical fish Zoöl., any fish which has an electrical organ by means of which it can give an electrical shock. The best known kinds are the torpedo, the gymnotus, or electrical eel, and the electric cat. See Torpedo, and Gymnotus.
 Electric fluid, the supposed matter of electricity; lightning. [archaic]
 Electrical image Elec., a collection of electrical points regarded as forming, by an analogy with optical phenomena, an image of certain other electrical points, and used in the solution of electrical problems. --Sir W. Thomson.
 Electric machine, or   Electrical machine, an apparatus for generating, collecting, or exciting, electricity, as by friction.
 Electric motor. See Electro-motor, 2.
 Electric osmose. Physics See under Osmose.
 Electric pen, a hand pen for making perforated stencils for multiplying writings. It has a puncturing needle driven at great speed by a very small magneto-electric engine on the penhandle.
 Electric railway, a railway in which the machinery for moving the cars is driven by an electric current.
 Electric ray Zoöl., the torpedo.
 Electric telegraph. See Telegraph.
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 electric clock
      n : a clock using a small electric motor