Münch•hau•sen(mynкн′hou′zən),USA pronunciationn.Karl Friedrich Hi•e•ro•ny•mus(kärl frē′driкн hē′ā rō′ny mŏŏs′),USA pronunciationBaron von(fən),USA pronunciation 1720–97, German soldier, adventurer, and teller of tales. English, Mun•chau•sen(mun′chou′zən, munch′hou′-, mun chô′-).USA pronunciationMun′chau′sen•ism, n.