Entry 1 sense Webster, 1913 Croupy /(kro͞op"y̆)/ · Croup·y · IPA /ˈkɹuːpi/ 01 a. Of or pertaining to croup; resembling or indicating croup; as, a croupy cough. 1. Of or pertaining to croup; resembling or indicating croup; as, a croupy cough.