The Collaborative International Dictionary of English v.0.48:

Tungusic \Tun*gus"ic\, a.
   Of or pertaining to the Tunguses; as, the Tungusic dialects.
   [1913 Webster]

WordNet (r) 3.0 (2006):

Tungusic
    n 1: any member of a people speaking a language in the Tungusic
         family
    2: a family of Altaic languages spoken in Mongolia and
       neighboring areas [syn: Tungusic, Tungusic language]