Chapter Words Relating to Space of Index by Roget's Thesaurus

Channel, gutter, trench, ditch, dike, moat, fosse, trough, kennel, chamfer, ravine (see 198), fluting.

(Verbs). To furrow, etc., flute, plough.

(Adjectives). Furrowed, etc., ribbed, striated, striate, sulcated, fluted, canaliculate, bisulcate, trisulcate, etc., corduroy, corrugated.

• Opening (Substantives), hole, foramen, perforation, window, eye, eyelet, keyhole, loop-hole, porthole, mouse-hole, pigeon-hole, eye of a needle, pin-hole, puncture.

Aperture, hiatus, yawning, oscitancy, dehiscence, patefaction, see Interval 198.

Orifice, inlet, intake, outlet, mouth, throat, muzzle, gullet, weasand, nozzle, portal, porch, gate, gateway, door, embouchure, doorway, exit, vomitory, arcade.

Channel 350, passage, pass, tube, pipe, vessel, tubule, canal, thoroughfare, gut, fistula, ajutage, tap, chimney, flue, funnel, gully, tunnel, main, adit, pit, shaft, gallery, alley, aisle, glade, vista, bore, mine, calibre, pore, follicle, porosity, porousness, lacuna.

Sieve, cullender, colander, strainer, tamis, riddle, screen, honeycomb.

Apertion, perforation, piercing, boring, mining, terebration, drilling, etc., impalement, pertusion, puncture, acupuncture, penetration 302.

(Verbs). To open, gape, yawn.

To perforate, lay open, pierce, empierce, bore, mine, drill, scoop out, canalise, tunnel, transpierce, transfix, enfilade, rake, impale, spike, spear, gore, stab, pink, stick, prick, puncture, riddle, punch, jab; to stave in.

(Phrase). To cut a passage through.

To uncover, unrip, stave in.

(Adjectives). Open, pierced, perforated, etc., perforate, wide open, ajar, unclosed, unstopped, patulous, gaping, yawning, patent.

Tubular, tubulate, tubuliform, cannular, fistulous, fistular, fistulate, pervious, permeable, foraminous, porous, follicular, cribriform, honeycombed, infundibular, windowed, fenestrated.

• Closure (Substantives), occlusion, blockade, shutting up, filling up, plugging, sealing, obstruction, impassableness, blocking up, obstipation, constipation, blind alley, blind corner, cul-de-sac, impasse, cècum.

Imperforation, imperviousness, impermeability, imporosity.

(Verbs). To close, occlude, plug, block up, fill up, blockade, obstruct, stop, bung up, seal, plumb, cork up, shut up, choke, throttle, ram down, dam up, cram, stuff up.

(Adjectives). Closed, shut, unopened, occluded, etc., impervious, imperforate, cècal, impassable, invious, pathless, untrodden, unpierced, unventilated, impermeable, imporous, operculated, air-tight, hermetic.

(Phrase). Hermetically sealed.

• Perforator (Substantives), borer, auger, gimlet, stylet, drill, wimble, awl, bradawl, scoop, terrier, corkscrew, dibble, trepan, probe, bodkin, needle, stiletto, lancet, punch, spike, bit, gouge, fleam.

(Verbs). To spike, gouge, scoop, punch, lance.

• Stopper (Substantives), stopple, plug, cork, bung, spigot, spike, spile, stopcock, tap, stop-gap, rammer, ramrod, piston, wad, wadding, tompion, stuffing, tourniquet.