ˌkad.əˈmēnēə, -nyə noun plural but singular or plural in construction
Etymology: New Latin, from Greek katamēnia, neuter plural of katamēnios monthly, from kata- cata- + -mēn month — more at moon
: menses
• cat·a·me·ni·al | ̷ ̷ ̷ ̷| ̷ ̷nēəl, -nyəl adjective