Standard Lemma guide

roofstone

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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  • ro͞of′stōn′
  • ro͝of-
  • Received-Pronunciation: /ˈɹuːfˌstəʊ̯n/
  • Received-Pronunciation: /ˈɹʊf-/
  • Canada, General-American: /ˈɹufˌstoʊ̯n/
  • Canada, General-American: /ˈɹʊf-/
  • Australian: /ˈɹʉːfˌstəʉ̯n/
  • Australian: /ˈɹʊf-/
  • New-Zealand: /ˈɹʉːfˌstɐʉ̯n/
  • New-Zealand: /ˈɹʊf-/
  • Scotland: /ˈɹʉfˌston/
  • Scotland: /ˈɹʉf-/
  • India: /ˈɾuːfˌsʈoːn/
  • India: /ˈɾʊf-/
  • rhymes with -uːfstəʊn
  • rhymes with -ʊfstəʊn

1

noun

Meaning 1

The stone or rock layer immediately above a coal seam.

Definition source: English Wiktionary via Wiktextract

Topics: business, geography, geology, mining, natural-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 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.

Definition source: English Wiktionary via Wiktextract

Topics: archaeology, history, human-sciences, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From roof + stone.