UPCAST

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

Air passage consisting of a ventilation shaft through which air leaves a mine

Classified under:

Nouns denoting man-made objects

Hypernyms ("upcast" is a kind of...):

air duct; air passage; airway (a duct that provides ventilation (as in mines))

Credits