Source : Webster's Revised Unabridged Dictionary (1913)

Natter \Nat"ter\, v. i. [Cf. Icel. knetta to grumble.]
   To find fault; to be peevish. [Prov. Eng. or Scot.]

Source : WordNet®

natter
     v : talk socially without exchanging too much information; "the
         men were sitting in the cafe and shooting the breeze"
         [syn: {chew the fat}, {shoot the breeze}, {chat}, {confabulate},
          {confab}, {chitchat}, {chatter}, {chaffer}, {gossip}, {jaw},
          {claver}, {visit}]