Zilpah
(a trickling), a Syrian given by Laban to his daughter Leah as an attendant, Ge 29:24 and by Leah to Jacob as a concubine. She was the mother of Gad and Asher. Ge 30:9-13; 35:26; 37:2; 46:18 (B.C. 1753.)
Bibliography Information Smith, William, Dr "Definition for 'Zilpah' Smiths Bible Dictionary". bible-history.com - Smiths; 1901.