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trough
CIDE DICTIONARY
trough, n. [OE. trough, trogh, AS. trog, troh; akin to D., G., & Icel. trog, Sw. tråg, Dan. trug; probably originally meaning, made of wood, and akin to E. tree. Tree, and cf. Trug.].
- A long, hollow vessel, generally for holding water or other liquid, especially one formed by excavating a log longitudinally on one side; a long tray; also, a wooden channel for conveying water, as to a mill wheel. [1913 Webster]
- Any channel, receptacle, or depression, of a long and narrow shape; as, trough between two ridges, etc. [1913 Webster]
- The transverse section of a cyclonic area where the barometric pressure, neither rising nor falling, has reached its lowest point. [Webster 1913 Suppl.]
OXFORD DICTIONARY
trough, n.
1 a long narrow open receptacle for water, animal feed, etc.
2 a channel for conveying a liquid.
3 an elongated region of low barometric pressure.
4 a hollow between two wave crests.
5 the time of lowest economic performance etc.
6 a region around the minimum on a curve of variation of a quantity.
7 a low point or depression.
1 a long narrow open receptacle for water, animal feed, etc.
2 a channel for conveying a liquid.
3 an elongated region of low barometric pressure.
4 a hollow between two wave crests.
5 the time of lowest economic performance etc.
6 a region around the minimum on a curve of variation of a quantity.
7 a low point or depression.
Etymology
OE trog f. Gmc
THESAURUS
trough
adit, aerospace, aerosphere, air hole, air pocket, airspace, alveolation, alveolus, amplitude, antinode, antrum, aqueduct, armpit, basin, billow, bore, bottom, bottom glade, bottoms, bowl, breakers, bump, burrow, canal, canalization, canalize, carve, cavity, ceiling, chamfer, channel, chisel, chop, choppiness, chopping sea, chute, comb, comber, concave, concavity, conduit, corrugate, course, crack, crater, crest, crimp, crosswind, crypt, cup, cut, dado, dale, de Broglie wave, dell, delve, depression, diffraction, dig, dig out, dike, dingle, dip, dirty water, ditch, dredge, drill, drive, duct, eagre, eaves trough, egress, electromagnetic radiation, electromagnetic wave, empty space, engrave, entrance, entrenchment, excavate, exit, favorable wind, flute, fog, fold, follicle, fosse, frequency, frequency band, frequency spectrum, front, funnel chest, furrow, gap, gash, gill, glen, goffer, gouge, gouge out, gravity wave, groove, ground swell, grove, grub, guide, guided wave, gully, gutter, ha-ha, head wind, heave, heavy sea, heavy swell, high-pressure area, hole, hollow, hollow shell, in phase, incise, ingress, interference, intervale, ionosphere, jetstream, kennel, lacuna, lift, light, longitudinal wave, lop, low-pressure area, lower, lunar rill, mechanical wave, mine, moat, node, out of phase, overcast, pass, passage, passageway, peak, penstock, pentrough, period, periodic wave, pit, pleat, plow, pocket, popple, punch bowl, quarry, rabbet, radio wave, ravine, ray, reinforcement, resonance, resonance frequency, riffle, rifle, ripple, rise, roll, roller, rough water, roughness, rut, sap, scend, scoop, scoop out, score, scrabble, scrape, scratch, sea, seismic wave, send, shell, shock wave, shoot, shovel, sink, sinus, slit, socket, sound wave, soup, space, spade, strath, stratosphere, streak, striate, substratosphere, sunk fence, surf, surface wave, surge, swell, tail wind, tidal bore, tidal wave, tide wave, transverse wave, trench, tropopause, troposphere, troughing, troughway, tsunami, tunnel, turbulence, undulation, vale, valley, visibility, visibility zero, vug, wadi, water wave, wave, wave equation, wave motion, wave number, wavelength, wavelet, way, white horses, whitecaps, wrinkleROGET THESAURUS
trough
Concavity
N concavity, depression, dip, hollow, hollowness, indentation, intaglio, cavity, dent, dint, dimple, follicle, pit, sinus, alveolus, lacuna, excavation, strip mine, trough, honeycomb, cup, basin, crater, punch bowl, cell, socket, valley, vale, dale, dell, dingle, combe, bottom, slade, strath, glade, grove, glen, cave, cavern, cove, grot, grotto, alcove, cul-de- sac, gully, arch, bay, excavator, sapper, miner, honeycomb (sponge), depressed, alveolate, calathiform, cup-shaped, dishing, favaginous, faveolate, favose, scyphiform, scyphose, concave, hollow, stove in, retiring, retreating, cavernous, porous, infundibul, infundibular, infundibuliform, funnel shaped, bell shaped, campaniform, capsular, vaulted, arched.Furrow
N furrow, groove, rut, sulcus, scratch, streak, striae, crack, score, incision, slit, chamfer, fluting, corduroy road, cradle hole, channel, gutter, trench, ditch, dike, dyke, moat, fosse, trough, kennel, ravine, tajo, thank-ye-ma'am, furrowed, ribbed, striated, sulcated, fluted, canaliculated, bisulcous, bisulcate, bisulcated, canaliferous, trisulcate, corduroy, unisulcate, costate, rimiform.Conduit
N conduit, channel, duct, watercourse, race, head race, tail race, abito, aboideau, aboiteau, bito, acequia, acequiador, acequiamadre, arroyo, adit, aqueduct, canal, trough, gutter, pantile, flume, ingate, runner, lock-weir, tedge, vena, dike, main, gully, moat, ditch, drain, sewer, culvert, cloaca, sough, kennel, siphon, piscina, pipe, funnel, tunnel, water pipe, waste pipe, emunctory, gully hole, artery, aorta, pore, spout, scupper, adjutage, ajutage, hose, gargoyle, gurgoyle, penstock, weir, flood gate, water gate, sluice, lock, valve, rose, waterworks, pipeline, vascular.Also see definition of "trough" in Bible Study Dictionaries
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