The network of burst blood vessels on the face and particularly the nose of a heavy drinker.(noun)
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Use "grog-blossom" in a sentence
"She was commanded by one Captain Neatby, something of a favourite I believe in the passenger trade -- a careful old man with bow-legs and a fiery grog-blossom of a nose."
""That blob's always there, Paddy," cried one of the men; "it's a grog-blossom.""