suitcase /ˈsutkeɪs/noun 2verb 2forms 3 noun2 •a big box-shaped bag that people pack their clothes into before going awayMy suitcase is stowed in the luggage rack. •In the Classic Mac OS operating system, a file containing fonts, icons, sounds, and other resources. verb2 •(slang) To smuggle in one's rectum. •To trade using samples in a suitcase. formssuitcased · suitcasing · suitcases