The Collaborative International Dictionary of English v.0.48:

Smatter \Smat"ter\, v. i. [OE. smateren to make a noise; cf. Sw.
   smattra to clatter, to crackle, G. schmettern to dash, crash,
   to warble, quaver.]
   1. To talk superficially or ignorantly; to babble; to
      chatter.
      [1913 Webster]

            Of state affairs you can not smatter. --Swift.
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   2. To have a slight taste, or a slight, superficial
      knowledge, of anything; to smack.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Smatter \Smat"ter\, v. t.
   1. To talk superficially about.
      [1913 Webster]

   2. To gain a slight taste of; to acquire a slight,
      superficial knowledge of; to smack. --Chaucer.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Smatter \Smat"ter\, n.
   Superficial knowledge; a smattering.
   [1913 Webster]

WordNet (r) 3.0 (2006):

smatter
    v 1: work with in an amateurish manner; "She dabbles in
         astronomy"; "He plays around with investments but he never
         makes any money" [syn: dabble, smatter, play around]
    2: to talk foolishly; "The two women babbled and crooned at the
       baby" [syn: babble, blather, smatter, blether,
       blither]
    3: speak with spotty or superficial knowledge; "She smatters
       Russian"

Moby Thesaurus II by Grady Ward, 1.0:

24 Moby Thesaurus words for "smatter":
   babble, burst, cackle, chat, chatter, clack, few, fragment, gab,
   gas, handful, jaw, pash, prate, prattle, rive, scattering, shiver,
   smash, smattering, spatter, spattering, splinter, sprinkling