Definitions

1. noun

A deep part of the sea, especially one that is thought to be a bottomless pit.

“The research team found an almost untouched abyssus in the depths of the ocean.”

2. noun

A deep or seemingly bottomless pit, especially one in the earth’s crust.

“The team of miners had to navigate through a narrow passage in the earth’s abyssus.”

3. noun

A deep or seemingly bottomless pit in the heavens, especially hell.

“According to ancient mythology, the souls fell into the abyssus of hell.”