ˌarəˈth(y)üzə, -sə noun
Etymology: New Latin, from Latin Arethusa, fountain nymph of Elis transported to Sicily to escape from the pursuit of the river god Alpheus, from Greek Arethousa
1. capitalized : a genus of bog orchids having small bulbs with a single linear leaf and a solitary purple-fringed flower that appears in late spring
2. -s : a plant of the genus Arethusa