Source : Webster's Revised Unabridged Dictionary (1913)

Atlanta \At*lan"ta\, n. [NL., fr. Gr. ?.] (Zo["o]l.)
   A genus of small glassy heteropod mollusks found swimming at
   the surface in mid ocean. See {Heteropod}.

Source : WordNet®

Atlanta
     n 1: state capital and largest city of Georgia; chief commercial
          center of the southeastern United States; was plundered
          and burned by Sherman's army during the American Civil
          War [syn: {capital of Georgia}]
     2: Federal troops under Sherman cut off the railroads supplying
        Atlanta and burned the city; 1864 [syn: {battle of Atlanta}]