LEAVENWORTH Meaning of LEAVENWORTH in English Leav ‧ en ‧ worth /ˈlev ə nwɜːθ $ -wɜːrθ/ BrE AmE a town in the American state of Kansas, known for its prison:He's serving time at Leavenworth. Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012