Reference: DEEP AND DEPTHS
American
The deep, or the great deep, signifies in Scripture, hell, the place of punishment, the bottomless pit, Lu 8:31, compare Re 9:1; 11:7; the grave, Ro 10:7; the deepest parts of the sea, Ps 69:15; 107:26; chaos in the beginning of the world, Ge 1:2. See HELL.
See Verses Found in Dictionary
the earth hath existed waste and void, and darkness is on the face of the deep, and the Spirit of God fluttering on the face of the waters,
Let not a flood of waters overflow me, Nor let the deep swallow me up, Nor let the pit shut her mouth upon me.
They go up to the heavens, they go down to the depths, Their soul in evil is melted.
and he was calling on him, that he may not command them to go away to the abyss,
or, 'Who shall go down to the abyss,' that is, Christ out of the dead to bring up.
And the fifth messenger did sound, and I saw a star out of the heaven having fallen to the earth, and there was given to it the key of the pit of the abyss,
'And when they may finish their testimony, the beast that is coming up out of the abyss shall make war with them, and overcome them, and kill them,