- (specialist)
a device in a tap that controls the flow of liquid from a container （龙头中的）塞，栓 - (US English)
any tap, especially one outdoors （尤指户外的）龙头
Word OriginMiddle English: perhaps an alteration of Provençal espigou(n), from Latin spiculum, diminutive of spicum, variant of spica ‘spike, ear of corn’; related to spina ‘spine’.