packrat Definition

wood rat; especially : a bushy-tailed rodent (Neotoma cinerea) of western North America that has well-developed cheek pouches and that hoards food and miscellaneous objects

a person who collects or hoards especially unneeded items

any of numerous soft-furred cricetid rodents (especially genus Neotoma) of North and Central America that have well-furred tails, large ears, and a characteristic tendency to hoard food and debris on or near their dens —called also pack rat