junk shop(n = noun.artifact) - a shop that sells cheap secondhand goods;
is a kind of shop, store

apothecary's shop, beauty shop, betting shop, body shop, bucket shop, butcher shop, chemist's shop, chop shop, closed shop, coffee shop, dress shop, espresso shop, fix-it shop, florist shop, food shop, gift shop, hat shop, head shop, junk, junk bond, junk dna, junk e-mail, junk food, junk heap, junk mail, junk pile, machine shop, novelty shop, open shop, pawnbroker's shop, pet shop, pizza shop, print shop, repair shop, shoe shop, shop, shop assistant, shop at, shop bell, shop boy, shop class, shop clerk, shop floor, shop girl, shop mechanic, shop steward, shop talk, slopseller's shop, specialty shop, sweet shop, talk shop, thrift shop, tobacco shop, tobacconist shop, tuck shop, union shop, wine shop