The Collaborative International Dictionary of English v.0.48:

Poke \Poke\, n. [AS. poca, poha, pohha; akin to Icel. poki, OD.
   poke, and perh. to E. pock; cf. also Gael. poca, and OF.
   poque. Cf. Pock, Pocket, Pouch.]
   1. A bag; a sack; a pocket. "He drew a dial from his poke."
      --Shak.
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            They wallowed as pigs in a poke.      --Chaucer.
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   2. A long, wide sleeve; -- called also poke sleeve.
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   To boy a pig a poke (that is, in a bag), to buy a thing
      without knowledge or examination of it. --Camden.
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