Meaning: the tilled field
All these were joined together in the vale of Siddim, which is the salt sea.
And there went out the king of Sodom, and the king of Gomorrah, and the king of Admah, and the king of Zeboiim, and the king of Bela (the same is Zoar;) and they joined battle with them in the vale of Siddim;
And the vale of Siddim was full of slimepits; and the kings of Sodom and Gomorrah fled, and fell there; and they that remained fled to the mountain.
When God ravaged and destroyed the cities of the plain [of Siddim], He [earnestly] remembered Abraham [imprinted and fixed him indelibly on His mind], and He sent Lot out of the midst of the overthrow when He overthrew the cities where Lot lived.