genu
noun
ge·nu
| \ ˈjē-ˌnü
, ˈjen-(y)ü
\
, ˈjen-(y)ü
\
plural genua\ ˈjen-yə-wə
\
\
Medical Definition of genu
: an abrupt flexure
especially
: the bend in the anterior part of the corpus callosum — see genu valgum, genu varum