1. a deep opening in the earth's surface
The Collaborative International Dictionary of English v.0.48:
Chasm \Chasm\ (k[a^]z'm), n. [L. chasma, Gr. cha`sma, fr.
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. --Coleridge.
2. A void space; a gap or break, as in ranks of men.
Memory . . . fills up the chasms of thought.
WordNet (r) 3.0 (2006):
n 1: a deep opening in the earth's surface
Moby Thesaurus II by Grady Ward, 1.0:
115 Moby Thesaurus words for "chasm":
abysm, abyss, aperture, arroyo, blank, box canyon, breach, break,
broaching, canyon, cavity, chap, check, chimney, chink, clearing,
cleavage, cleft, cleuch, clough, clove, col, coulee, couloir,
crack, cranny, crater, crevasse, crevice, cut, cwm, deep, defile,
dell, depth, dig, diggings, dike, disclosure, ditch, donga, draw,
excavation, fault, fenestra, fissure, fistula, flaw, flume,
fontanel, foramen, fracture, furrow, gap, gape, gash, gat, gorge,
groove, gulch, gulf, gully, hiatus, hole, hollow, incision, inlet,
interval, joint, kloof, lacuna, laying open, leak, mine, moat,
notch, nullah, opening, opening up, orifice, outlet, overlook,
oversight, pass, passage, passageway, pit, pore, preterition,
quarry, ravine, rent, rift, rime, rupture, scissure, seam, shaft,
skip, slit, slot, space, split, stoma, throwing open, trench,
uncorking, unstopping, valley, void, wadi, well, workings, yawn,
The Free On-line Dictionary of Computing (30 December 2018):
(CHASM) A shareware assembler for MS-DOS.