Dictionary: Easton's Bible Dictionary
a hole in the ground (Ex. 21:33, 34), a cistern for water (Gen. 37:24; Jer. 14:3), a vault (41:9), a grave (Ps. 30:3). It is used as a figure for mischief (Ps. 9:15), and is the name given to the unseen place of woe (Rev. 20:1, 3). The slime-pits in the vale of Siddim were wells which yielded asphalt (Gen. 14:10).