Chasm
Chasm (kaz'm) , noun
[Latin chasma, Greek cha`sma, from chai`nein to gape, to open wide. See 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.
2.
A void space; a gap or break, as in ranks of men.
Memory... fills up the chasms of thought.