Definition of upcast in English:

upcast

Syllabification: up·cast
Pronunciation: /ˈəpˌkast
 
/

noun

(also upcast shaft)
A shaft through which air leaves a mine.
More example sentences
  • Approaching demolition, various holes appeared in the brickwork of the upcast shaft allowing access to the foolhardy.
  • One of the shafts at Whinney Hill then became the upcast shaft for both collieries.
  • A new upcast shaft was sunk by Allied Constructions Pty Ltd.

verb

(past and past participle upcast) [with object] Back to top  
Cast (something) upward: (as adjective upcast) upcast light

Definition of upcast in:

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Word of the day retroflex
Pronunciation: ˈrɛtrə(ʊ)flɛks
adjective
turned backwards