noun · 3 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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/ɹəʊk/
rhymes with -əʊk
1
noun
Meaning 1
Fog, mist; light rain; smoke, vapour; damp.
Definition source: English Wiktionary via Wiktextract
Usage: UK, countable, dialectal, uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
A defect in an ingot of steel: a depression lined with scale.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
noun
Meaning 3
A measurement of coal ore.
Definition source: English Wiktionary via Wiktextract
Usage: UK, dialectal
Topics: business, mining
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
History
Etymology
From Middle English roke (“fog, vapour, cloud”), probably from Old Norse roka ("whirlwind, fine spray"; compare Old Norse særoka (“seaspray”)), reinforced later by Middle Dutch roke, rooc (“smoke”), from Old Dutch rouc (“steam, vapour”), from Proto-Germanic *raukiz (“smoke”), from Proto-Indo-European *rewg- (“to erupt, vomit, burp”), from *rew- (“to roar, growl, grumble”). Cognate with Scots rok, roik, rouk (“mist, fog, cloud”), Dutch rook (“smoke, fog”), German Rauch (“smoke, fume”), Swedish rök (“smoke, fume, steam, reek”), West Frisian reek, riik (“smoke, fume”). More at reek. Compare dialectal rawk, which is related, and rag (“fog”) (see raggy (“foggy”)), which may or may not be.
Unclear; perhaps related to dialect rauk, rawk, a northern English dialectal word for a mark, including e.g. a defect on cloth.