Topic: MUSIC

Date: 1400-1500
Language: Latin
Origin: valva 'part of a door'


valve [countable]
1TEM a part of a tube or pipe that opens and shuts like a door to control the flow of liquid, gas, air etc passing through it:
heart valves
2APM the part on a trumpet or similar musical instrument that you press to change the sound of the note
3 British EnglishTEE a closed glass tube used to control the flow of electricity in old radios, televisions etc [= vacuum tube American English]

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