Helical grooving or ridging on a screw (sense 4a), screw thread; a length of this. Cf. earlier screwed, adj. 1a(a). Obsolete.
| 单词 | θ99021 |
| 释义 | the world > space > shape > curvature > coil > [noun] > a spiral > helical grooving or ridging (1) screw1795 Helical grooving or ridging on a screw (sense 4a), screw thread; a length of this. Cf. earlier screwed, adj. 1a(a). Obsolete. |
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