pocket rat(n = noun.animal) - any of various rodents with cheek pouches;
is a kind of rat
has particulars: pocket mouse, desert rat, dipodomys phillipsii, kangaroo rat, dwarf pocket rat, kangaroo mouse, gopher, pocket gopher, pouched rat

air pocket, bandicoot rat, beaver rat, black rat, black rat snake, breast pocket, brown rat, cat and rat, chinchilla rat, corner pocket, cotton rat, damaraland mole rat, deep pocket, desert rat, dusky-footed wood rat, dwarf pocket rat, florida water rat, gym rat, hip pocket, hispid pocket mouse, indian rat snake, jerboa rat, kangaroo rat, marsupial rat, mexican pocket mouse, mole rat, naked mole rat, northern pocket gopher, norway rat, opossum rat, ord kangaroo rat, out of pocket, pack rat, patch pocket, plains pocket gopher, plains pocket mouse, pocket, pocket battleship, pocket billiards, pocket book, pocket borough, pocket bread, pocket calculator, pocket comb, pocket dictionary, pocket edition, pocket flap, pocket flask, pocket gopher, pocket knife, pocket lighter, pocket money, pocket mouse, pocket veto, pocket watch, pouched rat, queen mole rat, rat, rat cheese, rat chinchilla, rat kangaroo, rat race, rat snake, rat terrier, rat typhus, red rat snake, rice rat, roof rat, sand rat, sea rat, sewer rat, side pocket, silky pocket mouse, slash pocket, southeastern pocket gopher, trade rat, valley pocket gopher, vest pocket, watch pocket, water pocket, water rat, wharf rat, wood rat