Strath

(n.) A valley of considerable size, through which a river runs; a valley bottom; -- often used in composition with the name of the river; as, Strath Spey, Strathdon, Strathmore.

Thesaurus Entries

argosy, arse, ass, at bottom, backbone, backside, bark, basal, base, basement, basic, basically, basin, basis, baygall, bed, bedrock, behind, belly, best, boat, bog, bottom glade, bottomland, bottommost, bottoms, breech, bucket, buffalo wallow, bum, butt, buttocks, can, cause, channel, chutzpah, coulee, courage, craft, cut, dale, dell, depths, derriere, dingle, duff, end, essentiality, essentially, establish, everglade, fanny, fen, fenland, floor, foot, footing, found, foundation, foundational, fundament, fundamentally, gameness, gap, gill, giveaway, glade, glen, gluteus maximus, grit, ground, groundwork, grove, guts, gutsiness, guttiness, half-price, heart, heart of oak, heinie, hindquarters, hog wallow, holm, hooker, hulk, hull, in reality, in truth, intervale, intestinal fortitude, keel, keister, leviathan, low, lower strata, lowermost, lowest, lowest level, lowest point, lunar rill, marais, marish, marked down, marrow, marsh, marshland, meadow, mere, mettle, mettlesomeness, mire, moor, moorland, morass, moss, moxie, mud, mud flat, nadir, nerve, nethermost, nub, ocean bottom, origin, packet, pass, peat bog, pith, pluck, pluckiness, posterior, prat, predicate, primary, quagmire, quicksand, quintessence, quintessential, radical, ravine, really, rear, rear end, reduced, rest, rock-bottom, rump, sacrificial, salt marsh, seat, ship, slashed, slob land, slough, sole, sough, soul, source, spirit, spunk, spunkiness, stamina, stay, stout heart, strath, stuff, substance, substructure, sump, swale, swamp, swampland, taiga, toughness, trench, trough, true grit, truly, tub, tuchis, tush, tushy, underbelly, underlying, underlying level, undermost, underneath, underpinning, underside, vale, valley, vessel, virtuality, wadi, wallow, wash, watercraft