Artificial intelligent assistant

vectis

vectis
  (ˈvɛktɪs)
  [L. vectis lever, crow-bar.]
   1. A lever. Obs.

1648 Wilkins Math. Magic i. v. 33 Rather suppose BC, to be a Vectis or Leaver, towards the middle of which is the place of the fulciment. 1674 Petty Disc. Dupl. Proportion 119 In the Fuze of a Watch, the greatest strength of the Spring is made to work upon the shortest Vectis.

  2. Surg. a. An obstetrical instrument employed as a lever to free the head of the child.

1790 Med. Comm. II. 397 It is now near forty years since an account of the vectis or lever of Roonhuysen was published. 1822–7 Good Study Med. (1829) V. 190 If, at the same time, the head be lying clear on the perinæum, the vectis or forceps should be had recourse to. 1841 Ramsbotham Obstet. Med. & Surg. 314 Another instrument that has been much employed with the view of extracting the child living, is the vectis or lever. 1881 Trans. Obstet. Soc. Lond. XXII. 78, I passed in a vectis, and by its aid as a lever..I brought down the second larger head and left arm.

  b. An instrument employed in operations on the eye.

1882 Illustr. to Maw's Price-current 77 [Eye instruments.] Vectis, Taylor's. 1891 Ibid. 42 Ophthalmoscope lamp, operation scissors,..and vectis. 1895 Arnold & Sons' Catal. Surg. Instr. 158 Vectis (Taylor's), for Extraction of Soft Lens.

Oxford English Dictionary

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