CHASM
chasm
(noun) a deep opening in the earth’s surface
Source: WordNet® 3.1
Etymology
Noun
chasm (plural chasms)
(geology, planetology) A deep, steep-sided rift, gap or fissure; a gorge or abyss.
(by extension) A large difference of opinion.
Anagrams
• HMACs, chams
Source: Wiktionary
Chasm, n. Etym: [L. chasma, Gr. Chaos.]
1. A deep opening made by disruption, as a breach in the earth or a
rock; a yawning abyss; a cleft; a fissure.
That deep, romantic chasm which slanted down the green hill.
Coleridge.
2. A void space; a gap or break, as in ranks of men.
Memory . . . fills up the chasms of thought. Addison.
Source: Webster’s Unabridged Dictionary 1913 Edition