A valve that controls the entry or exit of air, such as a tire valve or an engine valve; (obsolete) term for an accelerator 油门 yóu​mén

A breathing hole on the body surface of insects and other arthropods; also called 气孔 qì​kǒng

(Literary) The larynx or throat; the windpipe

(Traditional Chinese medicine) a pore for perspiration

(Traditional Chinese medicine) a specific point on the body used in acupuncture or qigong