1.  The mechanism or works of a clock.

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1662.  S. P., Acc. Latitude Men, in Phenix (1708), II. 509. The Farmer … desir’d this Artificer to show him the Nature of Clockwork, and what was requisite to make up a perfect Clock.

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1815.  J. Smith, Panorama Sci. & Art, I. 374. The term clock-work, originally imported those wheels, pinions, and other mechanism, which constituted the striking part, or what was formerly called the clock part of a movement for measuring time…. But at present … the larger movements, whether they strike or not, are called clocks.

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  b.  transf. Mechanism similar to that of a clock, wheels set in motion by weights or springs.

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1712.  Arbuthnot, John Bull (1755), 17. You look like a puppet moved by clock-work.

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1716.  Lady M. W. Montagu, Lett., I. xiv. 49. A large cabinet full of curiosities of clockwork … one of which … was a craw-fish.

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1756–7.  trans. Keysler’s Trav., III. 263. A silver triumphal car … which moves by clock-work about the room.

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1874.  Knight, Dict. Mech., I. 572/1. Clock-work has been applied to lamps and to gas-burners to light them at a specific prearranged time.

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1878.  D. D. Porter, in N. Amer. Rev., CXXVII. 215. The torpedo was arranged to go off by clock-work.

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  c.  with reference to the automatic and mechanical nature of the action, or its unvarying regularity; hence such phrases as like clock-work, regular as clock-work, etc.

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1679.  J. Goodman, Penitent Pard., I. ii. (1713), 22. Their Religion was a kind of clock-work … moving in a certain order, but without life or sense.

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1789.  H. Walpole, Reminisc., vii. 29. The king’s last years passed as regularly as clock-work.

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1799.  Southey, Nondescripts, Dancing Bear. He would have tortured my poor toes To minuet grace, and made them move like clock-work In musical obedience.

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1824.  Miss Mitford, Village, Ser. I. (1863), 194. This jewel of a valet, this matchless piece of clock-work.

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1849.  Hare, Par. Serm., II. 215. Acting together without any jarring, going, as the phrase is, by clockwork.

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1872.  ‘Mark Twain,’ Innoc. Abr., xii. 107. In France, all is clockwork, all is order.

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  2.  fig.

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a. 1628.  Preston, Serm. Bef. His Majestie (1630), 18. In this curious clocke-worke of religion, every pin and wheele that is amisse distempers all.

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1657.  T. Jordan, Tricks of Youth, Prol. Lest I betray The Plot, and show the clockwork of the play.

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1710.  Berkeley, Princ. Hum. Knowl., § 60. The clockwork of nature … is so wonderfully fine and subtle.

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1768–74.  Tucker, Lt. Nat. (1852), II. 84. The play of vegetative and vital clock-works.

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  3.  a. attrib. or adj. (rarely as predicative adj.): Of or like clock-work; automatic, mechanically regular. b. comb., as clockwork-like adj.

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a. 1764.  Lloyd, To G. Colman, Poet. Wks. 1774, I. 116. A kind of clock-work talking.

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1780.  Cowper, Table Talk, 529. The clockwork tintinnabulum of rhyme.

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1824.  Miss Ferrier, Inher., II. vii. 41. We are a very plain, quiet, old-fashioned family—quite clock-work in our ways and hours.

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1847.  Tennyson, Princess, Prol. 71. Round the lake A little clock-work steamer paddling plied.

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1861.  Sat. Rev., 7 Dec., 583/1. A pattern of clock-work punctuality and concentrated energies.

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