A rope gathered into a ring; anything like it; a spiral.

绳圈；似绳圈之物；螺旋。

A series of connected pipes in windings, layers, etc.

一系列连接而环绕或重叠的导管。

A continuous spiral of conducting material, as wire.

一卷导引线(如电线图)。

A single loop of such a coil.

盘绕物的一圈。

Intrauterine device.

【口】子宫环。

To wind.

盘绕。