duct, main, conduit, shaft, tunnel, canal, trough, shoot.
2. windpipe, Anat., Zool. trachea, Anat. bronchus, Anat. bronchiole.
3. Informal, subway, underground, train, metro,
tuck, v. 1. insert, put into, stick or thrust or shove
or push in, Inf. stuff, Inf. stuff in, Inf. cram or pack in; implant, embed, impact; put away, hide, stow, tuck away.
2. fold, fold up, gather, double, Sl. scrunch, Sl. scrunch up; fold over or down, dog-ear, infold; crinkle, ruck, ruffle, pucker, crease; braid, plait, weave; pleat, take in; finish, bind, bind off, hem, Surg. plicate.
3. pull in or down, fold under, straighten, neaten, put right; tighten, smooth, make flat or neat or tight.
4. cover, cover snugly, blanket, wrap, incase, envelop, enwrap, muffle, swaddle, swathe, sheathe, roll up in, shroud.
-n. 5. fold, crease, pucker, pleat, gather, pinch; pucker, ruffle, crinkle, crumple, cockle; plait, lap, overlap, lappet, flap, doubling, edging, binding; flexure, plication or plicature.
tuft, n. 1. bunch, cluster, clump, thatch, batch, wisp; brush, pompon, plume, tassel, feather, Ornith. plumule; knot, topknot, knob, crest, scalp lock, elf lock, pompadour, shock, forelock, cowlick, mop.
2. thicket, copse, grove, Chiefly Brit, coppice, Brit. spinney, small wood, bosket, Archaic, bosk, brake, canebrake; brushwood, bush, scrub, scrub growth, U.S. chaparral, underbrush, undergrowth, shrubbery, hedges, bushes; truss, Bot. raceme, Bot. panicle; bouquet, posy; fagot, bundle; fascicle,
tug, v. 1. pull, pull at, draw or draw up, hitch or hitch up, hike or hike up; jerk, wrench, wring, wrest, Inf yank; twitch, pluck, pick at, grab or snatch at, tweak, pinch, joggle.
2. drag, haul, draft, heave, Inf. lug; toil, strain, strive, exert oneself, Inf. sweat, Inf. sweat and strain, give one's all, exert oneself, labor, struggle, wrestle, do one's utmost, Inf do one's darndest; work with a will, try, endeavor, slave, grind, drudge, grub, plod, Inf. plug away.
3. tow, drag or draw along, take in tow, pull after, trawl, troll, trail, draggle, train.
-n. 4. pull, haul, strain, effort, stress, toil, labor, work; contest, exercise; jerk, twitch, wrench, Inf. yank,
tuition, n. 1. tutorage, cost per pupil, cost per credit hour, charge, fee, price, cost, Inf. damage or damages, Inf. tab; expense, outlay, disbursement; exaction.
2. teaching, instruction, tutelage; education, edification, elucidation; training, qualification, schooling; discipline, guidance, direction, preparation, experience, exposure; practice, drill, tutorship, Inf. spoonfeeding.
tumble, v. 1. fall down, fall end over end, pitch, pitch forward, precipitate oneself, fall headlong, go down, Inf. take a spill, Inf. take a flyer or a header or a pratfall; slip, stagger, totter, falter, lose one's footing, lose one's equilibrium, Inf. flop, Inf flop down, Sl. take a flop; come a cropper, fall on one's face, Sl. fall on one's keester; roll end over end, go head over heels, go tail over teakettle, somersault, flip, backflip, do a flip, flip over.
2. pitch, pitch about, toss, heave, wallow, founder, Inf wallop; flounder, reel, lurch, capsize, turn turtle, pitch and plunge, thrash about, careen, roll, rock.
3. Usu.
tumble over stumble, trip, bumble, blunder, fall over, fumble, sprawl, Inf. spread-eagle.
4. fail, decline, drop, plunge, plummet, dive, crash, slide, slump, skid, go downhill, drop off, tend down-