栓 (shuān) — (bound form) plug; stopper; bolt

Definition

A bound form used for stopper-like objects — a plug, bolt, or cork. It only appears as part of a compound (e.g. 螺栓, 枪栓, 瓶栓), never alone.

bound form

(bound form) plugstopperbolt

。
Jī qì shàng de luó shuān sōng le.
The bolt on the machine is loose.
。
Shì bīng lā dòng qiāng shuān zhǔn bèi shè jī.
The soldier pulled the gun bolt, ready to shoot.
栓。
Zhè ge mù shuān shì yòng lái sāi píng kǒu de.
This wooden stopper is used to plug the bottle mouth.

Appears in