sb. and a. [f. L. locō (see LOCOMOTIVE) + mōtor, agent-n. f. movēre to move: see MOTOR. Cf. F. locomoteur, whence the adjective use B. is adopted.]

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  A.  sb. One who or something that has locomotive power.

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1822.  Lamb, Elia, Ser. I. Dist. Corresp. They [kangaroos] would show as fair a pair of hind-shifters as the expertest loco-motor in the colony.

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1869.  Daily News, 2 June, 5/3. There are several improved specimens of the new locomotor on view and in action.

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1883.  B. W. Richardson, in Longm. Mag., Oct., 594. [Cycling] Everyone his own locomotor against time.

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1889.  Elect. Rev. XXIV. 8 March, 270/1 (Cent.). All the electric locomotors on the same circuit may be regarded as running upon a level track.

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  B.  adj. (Chiefly Phys.) Of, pertaining to, or concerned with locomotion. Locomotor ataxy: see ATAXY 2.

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1870.  Rolleston, Anim. Life, 48. Soleshaped locomotor disc known as the ‘foot.’

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1877.  Morley, Crit. Misc., Ser. II. 351. To explore our spinal cords and to observe the locomotor system of Medusæ.

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1880.  Bastian, Brain, 70. Animals … devoid of … locomotor appendages.

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1881.  Nature, XXIII. 280. The peculiar metamorphosis enables the larva to remain … adapted to a locomotor life.

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