| 单词 | french bit |
| 释义 | > as lemmasFrench bit French bit n. †(a) Horse Riding a type of snaffle with three joints, the middle joint being flat and the two side joints (attaching to the cheekpieces) rounded (obsolete); (b) Woodworking a boring tool with a flat blade curved at the two cutting edges, frequently used in a lathe. ΘΚΠ society > occupation and work > equipment > piercing or boring tools > [noun] > boring tool > other boring tools piel1808 rounder1839 French bit1875 German bit1875 1759 H. Howard Choice Spirits Museum 8 He'd curb the poor Steed with a French Bit & Bridle. 1875 E. H. Knight Amer. Mech. Dict. II. 915/1 French-bit (Carpentry), a boring tool adapted to use on a lathe-head or by a bow. 1899 F. M. Crawford Via Crucis xiv. 252 At the first strain of the cruel French bit she threw up her head, swerved, caught the steel in her teeth, and shot forward again at twice her speed. 1929 H. C. Mercer Anc. Carpenters' Tools 207 (caption) The leafshaped French bit.., properly a drill, generally used in the mandrel lathe, a flat, leaf-shaped blade, lacking screw point, for metal. 1958 L. E. C. Hughes & C. F. Tweney Chambers's Techn. Dict. (ed. 3) 354 French bit,..a boring tool having a flat blade, shaped at the two cutting edges in continuous curves, from the point to and beyond a place of maximum diameter; used in a lathehead for drilling hard wood. < as lemmas |
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