quillwort Syllabification: (quill·wort)Pronunciation: /ˈkwilˌwərt, -ˌwôrt/Definition of quillwort noun a plant related to the club mosses, having a dense rosette of long slender leaves, the bases of which contain the spore-producing organs, and occurring typically as a submerged aquatic. Genus Isoetes, family Isoetaceae, class Lycopsida quillwort in other Oxford dictionaries Definition of quillwort in the British & World English dictionary
