The Collaborative International Dictionary of English v.0.48:

Pottle \Pot"tle\, n. [OE. potel, OF. potel, dim. of pot. See
   Pot.]
   1. A liquid measure of four pints.
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   2. A pot or tankard. --Shak.
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            A dry pottle of sack before him.      --Sir W.
                                                  Scott.
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   3. A vessel or small basket for holding fruit.
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            He had a . . . pottle of strawberries in one hand.
                                                  --Dickens.
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   Pottle draught, taking a pottle of liquor at one draught. [
      Prov. Eng.] --Halliwell.
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WordNet (r) 3.0 (2006):

pottle
    n 1: a pot that holds 2 quarts