1.  black maria(n = noun.artifact) paddy wagon, patrol wagon, police van, police wagon, wagon - van used by police to transport prisoners;
is a kind of van

2.  black maria(n = noun.act) hearts - a form of whist in which players avoid winning tricks containing hearts or the queen of spades;
is a kind of long whist, short whist, whist

   a paddy wagon. [PJC]

N  vehicle, conveyance, carriage, caravan, van, common carrier, wagon, waggon, wain, dray, cart, lorry, truck, tram, cariole, carriole, limber, tumbrel, pontoon, barrow, wheel barrow, hand barrow, perambulator, Bath chair, wheel chair, sedan chair, chaise, palankeen, palanquin, litter, brancard, crate, hurdle, stretcher, ambulance, black Maria, conestoga wagon, conestoga wain, jinrikisha, ricksha, brett, dearborn, dump cart, hack, hackery, jigger, kittereen, mailstate, manomotor, rig, rockaway, prairie schooner, shay, sloven, team, tonga, wheel, hobbyhorse, go-cart, cycle, bicycle, bike, two-wheeler, tricycle, velocipede, quadricycle, equipage, turn-out, coach, chariot, phaeton, break, mail phaeton, wagonette, drag, curricle, tilbury, whisky, landau, barouche, victoria, brougham, clarence, calash, caleche, britzka, araba, kibitka, berlin, sulky, desobligeant, sociable, vis-a-vis, dormeuse, jaunting car, outside car, dandi, doolie, dooly, munchil, palki, roller skates, skate, runabout, ski, tonjon, vettura, post chaise, diligence, stage, stage coach, mail coach, hackney coach, glass coach, stage wagon, car, omnibus, fly, cabriolet, cab, hansom, shofle, four-wheeler, growler, droshki, drosky, dogcart, trap, whitechapel, buggy, four-in-hand, unicorn, random, tandem, shandredhan, char-a-bancs, motor car, automobile, limousine, car, auto, jalopy, clunker, lemon, flivver, coupe, sedan, two-door sedan, four-door sedan, luxury sedan, wheels, sports car, roadster, gran turismo, jeep, four-wheel drive vehicle, electric car, steamer, golf cart, electric wagon, taxicab, cab, taxicoach, checker cab, yellow cab, station wagon, family car, motorcycle, motor bike, side car, van, minivan, bus, minibus, microbus, truck, wagon, pick-up wagon, pick-up, tractor- trailer, road train, articulated vehicle, racing car, racer, hot rod, stock car, souped-up car, bob, bobsled, bobsleigh, cutter, double ripper, double runner, jumper, sled, sledge, sleigh, toboggan, train, accommodation train, passenger train, express trail, special train, corridor train, parliamentary train, luggage train, freight train, goods train, 1st class train, 2nd class train, 3rd class train, 1st class carriage, 2nd class carriage, 3rd class carriage, 1st class compartment, 2nd class compartment, 3rd class compartment, rolling stock, horse box, cattle truck, baggage car, express car, freight car, parlor car, dining car, Pullman car, sleeping car, sleeper, dome car, surface car, tram car, trolley car, box car, box wagon, horse car, bullet train, shinkansen, cannonball, the Wabash cannonball, lightning express, luggage van, mail, mail car, mail van, shovel, spool, spatula, ladle, hod, hoe, spade, spaddle, loy, spud, pitchfork, post hole digger, tractor, steamshovel, backhoe, fork lift, earth mover, dump truck, bulldozer, grader, caterpillar, trench digger, steamroller, pile driver, crane, wrecking crane.

american black bear, animal black, asian black grouse, asiatic black bear, ave maria, baron karl maria friedrich ernst von weber, black, black africa, black african, black american, black and blue, black and gold garden spider, black and tan, black and white, black angus, black apricot, black archangel, black art, black ash, black bamboo, black bass, black bead, black bean, black bear, black bearberry, black bee, black beech, black belt, black bile, black bindweed, black birch, black body, black book, black box, black bread, black bream, black bryony, black buck, black buffalo, black calla, black caraway, black carpet beetle, black cat, black catechu, black cherry, black cherry tree, black cock, black cohosh, black comedy, black cottonwood, black crappie, black currant, black cypress pine, black death, black diamond, black disease, black duck, black economy, black elder, black elderberry, black english, black english vernacular, black eye, black felt cup, black flag, black flags, black fly, black forest, black fox, black friar, black friday, black fritillary, black grama, black greasewood, black grouse, black guillemot, black gum, black hamburg, black hand, black haw, black hawk, black hellebore, black hemlock, black henbane, black hickory, black hills, black hole, black hole of calcutta, black hollander, black horehound, black huckleberry, black humor, black humour, black ice, black jack pershing, black kite, black knapweed, black knot, black larch, black lead, black letter, black locust, black lotion, black lovage, black lung, black lung disease, black magic, black maire, black mallee, black mamba, black man, black mangrove, black margate, black mark, black market, black marketeer, black marlin, black mass, black medick, black monday, black monk, black morel, black moss, black mulberry, black music, black muslim, black mustard, black nightshade, black oak, black olive, black opal, black operation, black out, black panther, black panthers, black pea, black pepper, black person, black pine, black plague, black poplar, black power, black prince, black pudding, black race, black racer, black raspberry, black rat, black rat snake, black rhinoceros, black rock desert, black rockweed, black rod, black root rot fungus, black rot, black rudderfish, black sage, black sally, black salsify, black salts, black saltwort, black sea, black sea bass, black september, black september movement, black sheep, black snake, black snakeroot, black spanish, black spleenwort, black spot, black spruce, black squirrel, black stork, black sumac, black swan, black tai, black tea, black tie, black tongue, black tree fern, black turnstone, black vomit, black vulture, black walnut, black walnut tree, black wash, black wattle, black weevil, black whale, black widow, black willow, black woman, bluish black, bone black, brunswick black, california black oak, california black walnut, carbon black, carl maria von weber, chinese black mushroom, coal black, european black alder, european black currant, european black grouse, frankfort black, giovanni maria mastai-ferretti, helen maria fiske hunt jackson, ivory black, japanese black pine, jet black, joseph black, juan carlos victor maria de borbon y borbon, kentucky black bass, largemouth black bass, largemouthed black bass, little black ant, magnase black, maria, maria callas, maria luigi carlo zenobio cherubini, maria magdalene von losch, maria meneghini callas, maria mitchell, maria montesorri, maria tallchief, mexican black cherry, oriental black mushroom, pitch black, platinum black, rainer maria rilke, santa maria de belem, santa maria del tule, santa maria tree, shirley temple black, shoe black, smallmouth black bass, smallmouthed black bass, soot black, spotted black bass, welsh black