Quillwort

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Quillwort \Quill"wort`\, n. (Bot.)
     Any plant or species of the genus {Isoetes}, cryptogamous
     plants with a cluster of elongated four-tubed rushlike
     leaves, rising from a corm, and containing spores in their
     enlarged and excavated bases. There are about seventeen
     American species, usually growing in the mud under still,


     shallow water. So called from the shape of the shape of the
     leaves.
     [1913 Webster]

From WordNet (r) 2.0 [wn]:

  quillwort
       n : any of several spore-bearing aquatic or marsh plants having
           short rhizomes and leaves resembling quills; worldwide
           except Polynesia