whippoorwill's-shoe
noun
plural whippoorwill's-shoes
Definition of whippoorwill's-shoe
1
: an American plant of the genus Cypripedium
2
or less commonly whippoorwill's-boot \ ˈ⸗⸗ˌ⸗ˈ⸗ \ plural whippoorwill's-boots
: a pitcher plant (Sarracenia purpurea)