Escapement Es*cape"ment, n. [Cf. F. ['e]chappement. See {Escape}.] 1. The act of escaping; escape. [R.] [1913 Webster]

2. Way of escape; vent. [R.] [1913 Webster]

An escapement for youthful high spirits. --G. Eliot. [1913 Webster]

3. The contrivance in a timepiece which connects the train of wheel work with the pendulum or balance, giving to the latter the impulse by which it is kept in vibration; -- so called because it allows a tooth to escape from a pallet at each vibration. [1913 Webster]

Note: Escapements are of several kinds, as the vertical, or verge, or crown, escapement, formerly used in watches, in which two pallets on the balance arbor engage with a crown wheel; the anchor escapement, in which an anchor-shaped piece carries the pallets; -- used in common clocks (both are called recoil escapements, from the recoil of the escape wheel at each vibration); the cylinder escapement, having an open-sided hollow cylinder on the balance arbor to control the escape wheel; the duplex escapement, having two sets of teeth on the wheel; the lever escapement, which is a kind of detached escapement, because the pallets are on a lever so arranged that the balance which vibrates it is detached during the greater part of its vibration and thus swings more freely; the detent escapement, used in chronometers; the remontoir escapement, in which the escape wheel is driven by an independent spring or weight wound up at intervals by the clock train, -- sometimes used in astronomical clocks. When the shape of an escape-wheel tooth is such that it falls dead on the pallet without recoil, it forms a deadbeat escapement. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

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  • escapement — ► NOUN 1) a mechanism in a clock or watch that connects and regulates the motive power. 2) a mechanism in a typewriter that shifts the carriage a small fixed amount to the left after a key is pressed and released. 3) the part of the mechanism in… …   English terms dictionary

  • escapement — [e skāp′mənt, iskāp′mənt] n. [ ESCAPE + MENT, after Fr échappement] 1. Rare the action of escaping or a means of escape 2. the part in a mechanical clock or watch that controls the speed and regularity of the balance wheel or pendulum, and… …   English World dictionary

  • escapement — /i skayp meuhnt/, n. 1. Horol. the portion of a watch or clock that measures beats and controls the speed of the going train. Cf. anchor escapement, deadbeat (def. 1), lever escapement. 2. a mechanism for regulating the motion of a typewriter… …   Universalium

  • escapement — noun Date: 1779 1. a. a device in a timepiece which controls the motion of the train of wheelwork and through which the energy of the power source is delivered to the pendulum or balance by means of impulses that permit a tooth to escape from a… …   New Collegiate Dictionary

  • escapement — number of migratory fish that reach a favourable spawning area annually. Refers to the fish that pass through a fishing area unscathed and reach the spawning grounds; usually said of anadromous fish …   Dictionary of ichthyology

  • escapement — noun a) The contrivance in a timepiece (winding wrist watch) which connects the train of wheel work with the pendulum or balance, giving to the latter the impulse by which it is kept in vibration; so called because it allows a tooth to escape… …   Wiktionary

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  • escapement — (Roget s Thesaurus II) noun The act or an instance of escaping, as from confinement or difficulty: break, breakout, decampment, escape, flight, getaway. Slang: lam. See FREE …   English dictionary for students

  • escapement —    The spacing along the line of typewriting, that is, the basic letterspacing; also known as pitch …   Forensic science glossary

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