One who sews, or stitches. [1913 Webster]
A small tortricid moth whose larva sews together the edges of a leaf by means of silk; as, the apple-leaf sewer (Phoxopteris nubeculana) [1913 Webster]

sewer, n. [OF. sewiere, seuwiere, ultimately fr. L. ex out + a derivative of aqua water; cf. OF. essevour a drain, essever, esseuwer, essiaver, to cause to flow, to drain, to flow, LL. exaquatorium a channel through which water runs off. Cf. Ewer, Aquarium.].

A drain or passage to carry off water and filth under ground; a subterraneous channel, particularly in cities. [1913 Webster]

sewer, n. [Cf. OE. assewer, and asseour, OF. asseour, F. asseoir to seat, to set, L. assidere to sit by; ad + sedere to sit (cf. Sit); or cf. OE. sew pottage, sauce, boiled meat, AS. seáw juice, Skr. su to press out.].

Formerly, an upper servant, or household officer, who set on and removed the dishes at a feast, and who also brought water for the hands of the guests. [1913 Webster]

"Then the sewer
Poured water from a great and golden ewer,
That from their hands to a silver caldron ran." [1913 Webster]

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OXFORD DICTIONARY

sewer, n. a conduit, usu. underground, for carrying off drainage water and sewage.

Idiom

sewer rat the common brown rat.

Etymology

ME f. AF sever(e), ONF se(u)wiere channel to carry off the overflow from a fishpond, ult. f. L ex- out of + aqua water

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THESAURUS

sewer

Singer, abri, antre, bog, bunker, burrow, cave, cavern, cesspool, cloaca, cloaca maxima, cove, drain, dugout, dump, foxhole, garbage dump, garmentmaker, grot, grotto, gutter, headchute, hole, kennel, lair, marsh, mire, needleman, needler, needlewoman, needleworker, piscina, quagmire, scupper, seamster, seamstress, sempster, septic tank, sewing machine, sink, sluice, sough, subterrane, subway, sump, swamp, tailor, tunnel, warren

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ROGET THESAURUS

sewer

Uncleanness

N uncleanness, impurity, immundity, immundicity, impurity, defilement, contamination, defoedation, soilure, soiliness, abomination, leaven, taint, tainture, fetor, decay, putrescence, putrefaction, corruption, mold, must, mildew, dry rot, mucor, rubigo, slovenry, slovenliness, squalor, dowdy, drab, slut, malkin, slattern, sloven, slammerkin, slammock, slummock, scrub, draggle-tail, mudlark, dust-man, sweep, beast, dirt, filth, soil, slop, dust, cobweb, flue, smoke, soot, smudge, smut, grit, grime, raff, sossle, sozzle, sordes, dregs, grounds, lees, argol, sediment, settlement heeltap, dross, drossiness, mother, precipitate, scoriae, ashes, cinders, recrement, slag, scum, froth, hogwash, ditchwater, dishwater, bilgewater, rinsings, cheeseparings, sweepings, offscourings, outscourings, off scum, caput mortuum, residuum, sprue, fecula, clinker, draff, scurf, scurfiness, exuviae, morphea, fur, furfur, dandruff, tartar, riffraff, vermin, louse, flea, bug, chinch, mud, mire, quagmire, alluvium, silt, sludge, slime, slush, slosh, sposh, spawn, offal, gurry, lientery, garbage, carrion, excreta, slough, peccant humor, pus, matter, suppuration, lienteria, faeces, feces, excrement, ordure, dung, crap, shit, sewage, sewerage, muck, coprolite, guano, manure, compost, dunghill, colluvies, mixen, midden, bog, laystall, sink, privy, jakes, toilet, john, head, cess, cesspool, sump, sough, cloaca, latrines, drain, sewer, common sewer, Cloacina, dust hole, sty, pigsty, lair, den, Augean stable, sink of corruption, slum, rookery, dirty, filthy, grimy, unclean, impure, soiled, not to be handled with kid gloves, dusty, snuffy, smutty, sooty, smoky, thick, turbid, dreggy, slimy, mussy, slovenly, untidy, messy, uncleanly, unkempt, sluttish, dowdy, draggle-tailed, uncombed, unscoured, unswept, unwiped, unwashed, unstrained, unpurified, squalid, lutose, slammocky, slummocky, sozzly, nasty, coarse, foul, offensive, abominable, beastly, reeky, reechy, fetid, decayed, moldy, musty, mildewed, rusty, moth-eaten, mucid, rancid, weak, bad, gone bad, etercoral, lentiginous, touched, fusty, effete, reasty, rotten, corrupt, tainted, high, flyblown, maggoty, putrid, putrefactive, putrescent, putrefied, saprogenic, saprogenous, purulent, carious, peccant, fecal, feculent, stercoraceous, excrementitious, scurfy, scurvy, impetiginous, gory, bloody, rotting, rotten as a pear, rotten as cheese, crapulous, gross, fimetarious, fimicolous, they that touch pitch will be defiled.

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.

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