Blackmouth
noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 A chinook salmon (Oncorhynchus tshawytscha), especially a juvenile.
- 2 a Presbyterian Ireland, dated, derogatory
Synonyms
All synonymsEtymology
From black + mouth. For the origin of the pejorative "Presbyterian", several theories exist: * A specialisation of a dialect sense "liar, slanderer, foul-mouthed person" applied to political radicals. * Ulster Scots refusing to take the "Black Oath" imposed in 1639; * Covenanters eating blackberries or blaeberries while hiding in the wilds during the The Killing Time.
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.