Webster's Revised Unabridged Dictionary · 1913

Chaos

Chaos (kā"os) , noun

[Latin chaos chaos (in senses 1 & 2), Greek cha`os, from cha`inein (root cha) to yawn, to gape, to open widely. Compare Chasm.]

1.
An empty, immeasurable space; a yawning chasm. [Archaic]
Between us and there is fixed a great chaos. — Luke xvi. 26 (Rhemish Trans.)
2.
The confused, unorganized condition or mass of matter before the creation of distinct and orderly forms.
3.
Any confused or disordered collection or state of things; a confused mixture; confusion; disorder.