| 单词 | rectangular staff |
| 释义 | > as lemmasrectangular staff rectangular staff n. (a) a kind of levelling staff (see quot. 1815; now historical); (b) Surgery a probe having the tip bent at a right angle, used in lithotomy (cf. staff n.1 7j; now disused). ΚΠ 1815 tr. C. S. de M. de Martemont Treat. Topogr. II. iii. 61 With the Water-level, a very straight rectangular staff E F, fig. 48, called a Levelling-staff, is used, along which a rectangular piece of wood G slides. 1848 A. Buchanan in Monthly Jrnl. Med. Sci. Feb. 553 (title) On lithotomy, as performed with a rectangular staff. 1848 A. Buchanan in Monthly Jrnl. Med. Sci. Feb. 554 First of all, I shall describe the peculiar staff which I employ, and which I name rectangular, from its being bent at a right angle three inches from the lower end.] 1872 T. Bryant Pract. Surg. lii. 558 Buchanan's operation with the rectangular staff, bent three inches from the point. 1904 G. F. Lydston Surg. Dis. Genito-urinary Tract (rev. ed.) xxxiv. 822 A rectangular staff has been suggested in lieu of the ordinary curved instrument. 1998 G. L'E. Turner Sci. Instruments 30 His instrument..was called Jacob's staff after the Biblical story in Genesis 32:10. It consists of a rectangular staff, 5–6 feet (1.5 or 1.8 m) in length with a perpendicular vane that moves over it. < as lemmas |
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