subs. (old colloquial).—1.  A thirteenth: added to a dozen of anything; (2) something in addition: also VANTAGE. See BAKER’S DOZEN and LAGNIAPPE.

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  c. 1641.  MILTON, Of Reformation in England [Works, i. 1847), 10.] If the Scripture be for reformation, and Antiquity to boot, it is but an ADVANTAGE to the dozen, it is no winning cast.

2

  1648–55.  FULLER, The Church History of Britain, III. ix. 27. When his Holinesse created twelve Cardinals at the request of the King of France, he denied to make one at the desire of this King of England. Surely … his Holinesse giving the whole dozen to the King of Fiance might allow the ADVANTAGE to the King of England.

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  1692.  J. HACKET, Life of Archbishop Williams, ii. 91. Three dozen of articles (yet none to the VANTAGE).

4

  TO PLAY UPON ADVANTAGE, verb. phr. (old).—To cheat.

5

  1592.  WARNER, Albion’s England, vii. xxxvi. Howbeit, ON ADVANTAGE PLAI’D Gynetta all this while.

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  1668.  SEDLEY, The Mulberry Garden, ii. 2.

        Your only way is
To turn Rook and PLAY UPON ADVANTAGE.

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