1. 锥形的：tailstock 尾架 | tapered 锥形的 | tapping 攻丝

2. 锥度：Edges of plates, metal removal from 由加工板边去除金属 | tapered 锥度 | Efficiency, around openings for welded attachments 焊缝系数,环绕焊接附件孔口

3. 钳形的;斜的：tapered 钳形的 | tapered 钳形的;斜的 | tapered 锥形的

4. 钳形的：tapered wedges 斜楔块 | tapered 钳形的 | tapered 钳形的;斜的

adj

1. becoming gradually narrower

e.g. long tapering fingers
trousers with tapered legs

Synonym: taperingnarrowing