department store(n = noun.artifact) emporium - a large retail store organized into departments offering a variety of merchandise; commonly part of a retail chain; Array
is a kind of mercantile establishment, outlet, retail store, sales outlet
is a member of retail chain

N  mart, market, marketplace, fair, bazaar, staple, exchange, change, bourse, hall, guildhall, tollbooth, customhouse, Tattersall's, stall, booth, stand, newsstand, cart, wagon, wharf, office, chambers, countinghouse, bureau, counter, compter, shop, emporium, establishment, store, department store, general store, five and ten, variety store, co-op, finding store, grindery warehouse, grocery, supermarket, candy store, sweet shop, confectionery, bakery, greengrocer, delicatessen, bakeshop, butcher shop, fish store, farmers' market, mom and pop store, dairy, health food store, tobacco shop, tobacco store, tobacconists, cigar store, hardware store, jewelry shop, bookstore, liquor store, gun shop, rod and reel shop, furniture store, drugstore, chemist's, florist, flower shop, shoe store, stationer, stationer's, electronics shop, telephone store, music store, record shop, fur store, sporting goods store, video store, video rental store, lumber store, lumber yard, home improvements store, home improvement center, gas station, auto repair shop, auto dealer, used car dealer, mall, suburban mall, commons, pedestrian mall, shopping street, surplus store, army-navy surplus store, auction, flea market, yard sale, garage sale, pawn shop, antiques store, second-hand store, second time around shop, thrift shop, warehouse, wareroom, depot, interposit, entrepot, market-overt, real-estate broker, vending machine.

academic department, advertising department, agriculture department, anthropology department, art department, biology department, buffer store, building department, building supply store, business department, candy store, chain store, chemistry department, cigar store, clothing store, commerce department, computer store, convenience store, country store, defense department, department, department head, department of agriculture, department of anthropology, department of biology, department of chemistry, department of commerce, department of commerce and labor, department of computer science, department of corrections, department of defense, department of defense laboratory system, department of economics, department of education, department of energy, department of energy intelligence, department of english, department of health and human services, department of health education and welfare, department of history, department of housing and urban development, department of justice, department of justice canada, department of labor, department of linguistics, department of local government, department of mathematics, department of music, department of philosophy, department of physics, department of psychology, department of sociology, department of state, department of the federal government, department of the interior, department of the treasury, department of transportation, department of veterans affairs, dime store, discount store, economics department, editorial department, education department, energy department, english department, executive department, federal department, fire department, flower store, general store, government department, grocery store, haberdashery store, hardware store, history department, in store, interior department, jewelry store, justice department, labor department, linguistics department, liquor store, local department, mathematics department, mens store, music department, navy department, ordnance store, package store, parts department, payroll department, personnel department, philosophy department, physics department, plant department, police department, powder store, psychology department, purchasing department, push-down store, retail store, sales department, sanitation department, second-hand store, secretary of state for the home department, security department, service department, shoe store, sociology department, specialty store, state department, store, store cheese, store detective, subsistence department, treasury department, united states department of defense, united states department of state, variety store, war department