1.  snake pit(n = noun.location) hell, hell on earth, hellhole, inferno, the pits - any place of pain and turmoil; "the hell of battle"; "the inferno of the engine room"; "when you're alone Christmas is the pits"
is a kind of part, region

2.  snake pit(n = noun.artifact) bedlam, booby hatch, crazy house, cuckoo's nest, funny farm, funny house, loony bin, madhouse, nut house, nuthouse, sanatorium - pejorative terms for an insane asylum;
is a kind of asylum, insane asylum, institution, mental home, mental hospital, mental institution, psychiatric hospital

african coral snake, american pit bull terrier, asian coral snake, australian coral snake, banded sand snake, banded water snake, barbecue pit, black rat snake, black snake, black-headed snake, blind snake, borrow pit, bottomless pit, bull snake, carpet snake, chalk pit, chicken snake, coachwhip snake, colubrid snake, common garter snake, common water snake, congo snake, coral snake, corn snake, cyclone pit, eastern coral snake, eastern ground snake, eastern indigo snake, elapid snake, fire pit, garter snake, glass snake, glossy snake, gopher snake, grass snake, gravel pit, green snake, ground snake, harlequin snake, hognose snake, hoop snake, house snake, indian rat snake, indigo snake, joint snake, king snake, leaf-nosed snake, lined snake, lyre snake, milk snake, new world coral snake, night snake, old world coral snake, orchestra pit, peach pit, pine snake, pit, pit against, pit bull terrier, pit of the stomach, pit run, pit stop, pit viper, plumber's snake, plutonium pit, rat snake, red rat snake, red-bellied snake, ribbon snake, ring snake, ring-necked snake, ringed snake, ringneck snake, rock snake, rough green snake, sand snake, sea snake, smooth green snake, snake, snake charmer, snake dance, snake doctor, snake eyes, snake feeder, snake fence, snake fern, snake god, snake in the grass, snake mackerel, snake muishond, snake oil, snake palm, snake plant, snake polypody, snake river, snake venom, snake wood, sonoran lyre snake, spitting snake, stone pit, tar pit, thunder snake, tiger snake, tow-headed snake, vine snake, viperine grass snake, water snake, western blind snake, western coral snake, western ribbon snake, whip snake, worm snake