Easton's Bible Dictionary (1897)
A lifting up, gift, one of the sons of Ishmael, the founder of an Arabian tribe (Gen. 25:14); a nomad tribe inhabiting the Arabian desert toward Babylonia.
Smith's Bible Dictionary (1863)
(burden), a son of Ishmael. (Genesis 26:14; 1 Chronicles 1:30) His descendants were not improbably the Masani, placed by Ptolemy in the east of Arabia, near the borders of Babylonia.
Hastings' Dictionary of the Bible (1898) & Schaff's Bible Dictionary
MAS'SA (gift, tribute), a son of Ishmael, Gen 25:14; 1 Chr 1:30, and probably the ancestor of the Masani, settled in the north-eastern part of Arabia, near the Babylonian frontier.
Hitchcock's Bible Names (1869)
a burden; prophecy