Word.ws English Dictionary

roofstone

Syllables: roof·stoneUK/ˈɹuːfˌstəʊ̯n/US/ˈɹufˌstoʊ̯n/

roofstone noun: the stone or rock layer immediately above a coal seam.

Noun

roofstone (plural roofstones)

  1. The stone or rock layer immediately above a coal seam.
    • The intention of the props is for the security of the workmen to keep up the roofstone; they have no effect in resisting the crush of the super-incumbent strata.1830, The Edinburgh Encyclopædia, volume 14, page 352
  2. A large, usually flat stone slab placed atop the side-stones (orthostats) of a megalithic burial chamber—such as in portal tombs, wedge tombs, or gallery graves—to form a roof covering the interior space.

Forms of roofstone

pluralroofstones

Origin of roofstone

From roof + stone.

Questions about roofstone

What does roofstone mean?
Roofstone means the stone or rock layer immediately above a coal seam.
What part of speech is roofstone?
Roofstone is a noun.
How do you pronounce roofstone?
Roofstone is pronounced /ˈɹuːfˌstəʊ̯n/ (UK).
What is the plural of roofstone?
The plural of roofstone is roofstones.

Words near roofstone in the dictionary

  1. roofscapes
  2. roofspace
  3. roofspaces
  4. roofspall
  5. roofspalls
  6. roofstone
  7. roofstones
  8. rooftile
  9. rooftiles
  10. rooftop
  11. Rooftop of the World

Source and license

Adapted from Wiktionary: roofstone (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “roofstone.” Word.ws, https://word.ws/roofstone. Based on Wiktionary, CC BY-SA 4.0.