1. [n]  the Dravidian language spoken since prehistoric times by the Tamil people in southern India and Sri Lanka
2. [n]  a member of the mixed Dravidian and Caucasoid people of southern India and Sri Lanka
3. [adj]  of or relating to a speaker of the Tamil language or the language itself; "the Tamil Tigers are fighting the Sinhalese in Sri Lanka"; "Tamil agglutinative phrases"

TAMIL is a 5 letter word that starts with T.

1. \Ta"mil\, a.
   Of or pertaining to the Tamils, or to their language.
   [Written also {Tamul}.]
   
   

2. \Ta"mil\, n. [Written also Tamul.]
   1. (Ethnol.) One of a Dravidian race of men native of
      Northern Ceylon and Southern India.
   
   2. The Tamil language, the most important of the Dravidian
      languages. See {Dravidian}, a.