The Collaborative International Dictionary of English v.0.48:

Victualer \Vict"ual*er\ (v[i^]t"'l*[~e]r), n. [F. victuailleur.]
   [Written also victualler.]
   1. One who furnishes victuals.
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   2. One who keeps a house of entertainment; a tavern keeper;
      an innkeeper. --Shak.
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   3. A vessel employed to carry provisions, usually for
      military or naval use; a provision ship.
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   4. One who deals in grain; a corn factor. [Scot.]
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   Licensed victualer. See under Licensed.
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WordNet (r) 3.0 (2006):

victualer
    n 1: an innkeeper (especially British) [syn: victualer,
         victualler]
    2: a supplier of victuals or supplies to an army [syn: sutler,
       victualer, victualler, provisioner]