Boyd’s Bible Dictionary:
(gloomy). (1) First son of Midian (Gen. 25:4; 1 Chron. 1:33; Isa. 60:6). (2) Caleb’s concubine (1 Chron. 2:46). (3) A Judahite (1 Chron. 2:47). (4) A Hebrew dry measure, estimated at 2.5 to 3.25 pecks (Ruth 2:17; Num. 5:15). (5) A Hebrew liquid measure equal to 7.5 gallons.
Concise Bible Dictionary:
1. Son of Midian, being the son of Abraham and Keturah, and referred to by Isaiah as the head of a tribe (Gen. 25:4; 1 Chron. 1:33; Isa. 60:6).
2. Concubine of Caleb (1 Chron. 2:46).
3. Son of Jandai of the tribe of Judah (1 Chron. 2:47).
Jackson’s Dictionary of Scripture Proper Names:
darkness