Roget's Thesaurus of English Words and Phrases by Peter Mark Roget

198. Interval — N. interval, interspace†; separation &c 44; break, gap,

opening; hole &c 260; chasm, hiatus, caesura; interruption, interregnum; interstice, lacuna, cleft, mesh, crevice, chink, rime, creek, cranny, crack, chap, slit, fissure, scissure†, rift, flaw, breach, rent, gash, cut, leak, dike, ha-ha. gorge, defile, ravine, canon, crevasse, abyss, abysm; gulf; inlet, frith†, strait, gully; pass; furrow &c 259; abra†; barranca†, barranco†; clove [U.S.], gulch [U.S.], notch [U.S.]; yawning gulf; hiatus maxime [Lat.], hiatus valde deflendus [Lat.]; parenthesis &c (interjacence) 228 [Obs.]; void &c (absence) 187; incompleteness &c 53. [interval of time] period &c 108; interim (time) 106. V. gape &c (open) 260. Adj. with an interval, far between; breachy†, rimose†, rimulose†. Adv. at intervals &c (discontinuously) 70; longo intervallo [It].