subs. (colloquial).—1.  Blood; CLARET (q.v.). Hence RUBY-FACE = ‘a very red face’ (B. E., GROSE); whence (2) RUBY = a GROG-BLOSSOM (q.v.).

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  c. 16[?].  Roxburghe Ballads [Brit. Mus., C 20, f. 7, 214], ‘The Little Barly-Corne,’ 11.

        It will inrich the palest face,
  And with RUBIES it adorne.

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  1839.  W. H. AINSWORTH, Jack Sheppard, II. v. Jolly nose, the bright RUBIES that garnish thy tip.

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  1860.  Chambers’s Journal, xiii. 348. The fluid of which Harvey demonstrated the circulation in the human body, he speaks of as ‘claret,’ or ‘carmine,’ or ‘RUBY.’

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  1886–9.  MARSHALL [‘Pomes,’ 49], Honest Bill. You’d be sure to nark the RUBY round his gilt.

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  1888.  Sporting Life, 11 Dec. Saunders stopped a flush right-hander with his organ of smell, the RUBY duly making its appearance.

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