noun
Any of various Old World rodent species belonging to the subfamily Cricetinae.
Any of various other rodents of similar appearance, such as the maned hamster or crested hamster, Lophiomys imhausi, mouse-like hamsters of genus Calomyscus, and the white-tailed rat (Mystromys albicaudatus).
verb
(ambitransitive) To secrete or store privately, as a hamster does with food in its cheek pouches.