Advertisement
Advertisement
room-and-pillar
[ room-uhn-pil-er, room- ]
adjective
, Mining.
- noting a means of extracting coal or other minerals from underground deposits by first cutting out rooms, then robbing the pillars between them; pillar-and-breast.
Advertisement
Word of the Day
[fur-kin ]
Meaning and examplesStart each day with the Word of the Day in your inbox!
By clicking "Sign Up", you are accepting Dictionary.com Terms & Conditions and Privacy Policies.
Advertisement
Advertisement
Advertisement
Browse