TO RECKON WITHOUT ONE’S HOST, verb. phr. (old: now recognised).—To blunder.

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  c. 1696.  B. E., A New Dictionary of the Canting Crew, s.v. HOST. TO RECKON WITHOUT ONE’S HOST, or count your Chickens before they are Hatched.

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  MINE HOST, subs. phr. (colloquial).—A taverner.

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