(also upcast shaft) A shaft through which air leaves a mine.
- 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]
Cast (something) upward: (as adjective upcast) upcast light
For editors and proofreaders
Line breaks: up¦cast
Definition of upcast in:
What do you find interesting about this word or phrase?
Comments that don't adhere to our Community Guidelines may be moderated or removed.