[f. BACK a. and sb.] A small and usually private shop behind the main one; a secret place of business.

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1583.  Golding, Calvin on Deut., cxxii. 751. When we keepe such Backeshops, it is a token that our heart is not rid quite and cleane.

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1682.  N. O., Boileau’s Lutrin, III. 47. Here a Bookseller in his back-shop slept.

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