[f. CLICK v.1 + -ER.]

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  1.  One who or that which clicks; a horse that clicks in trotting.

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Old Lincolnsh. Song, ‘Howden Fair’ (N. & Q., Ser. VII. V. 345). Some for panting scarce could draw, And there were clickers too, I knaw.

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  2.  Techn. One who rules with a machine-pen, the wheel of which clicks. Cf. CLICK v.1 3.

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1869.  Eng. Mech., 5 Nov., 166/1. The clickers are those who rule the tartan pattern on [tartan woodwork].

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  3.  Comb. clicker-hole, the valve-hole of bellows.

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1823.  J. Badcock, Dom. Amusem., 69. The clicker-hole of the … pair of bellows.

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