What does abyss mean?

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From our dictionary:

a•byss

Pronunciation: (u-bis'), [key]
n.
1. a deep, immeasurable space, gulf, or cavity; vast chasm.
2. anything profound, unfathomable, or infinite: the abyss of time.
3. (in ancient cosmogony)
a. the primal chaos before Creation.
b. the infernal regions; hell.
c. a subterranean ocean.

Abyss.


1. Abyssinia.
2. Abyssinian.