air-head
air-head · air-heads
A horizontal channel providing ventilation in a mineA horizontal channel providing ventilation in a mine.
UK/ˈɛːhɛd/US/ˈɛɹˌ(h)ɛd/
Meaning
1 senses(archaic)A horizontal channel providing ventilation in a mine.
Origin
From air + head.From air + head.
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