Meanings
nounroom and pillar (uncountable)
- uncountablebusinessA variant of breast stoping in which the mined material is extracted across a horizontal plane, creating horizontal arrays of rooms and pillars.
Synonyms: pillar and stall
Synonyms & antonyms
nounA variant of breast stoping in which the mined material is extracted across a horizontal plane, creating horizontal arrays of rooms and pillars.
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Cite this entry
APA
room and pillar. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/room%20and%20pillar
MLA
“room and pillar.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/room%20and%20pillar. Accessed November 5, 2026.
Chicago
WatkinsX Dictionary, s.v. “room and pillar,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/room%20and%20pillar.
Source: room and pillar on Wiktionary, CC BY-SA 4.0.