Bible Dictionary

Tiras

The youngest of the sons of Japheth (Gen. 10:2; 1 Chr. 1:5).

Easton's Bible Dictionary (1897)

The youngest of the sons of Japheth (Gen. 10:2; 1 Chr. 1:5).

Hastings' Dictionary of the Bible (1898) & Schaff's Bible Dictionary

), the youngest son of Japheth. Gen 10:2; 1 Chr 1:5. Probably the Thracians are meant.