Ulva

2 definitions found

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

  Ulva \Ul"va\, prop. n. [L., sedge.] (Bot.)
     A genus of thin papery bright green seaweeds including the
     kinds called {sea lettuce}.
     [1913 Webster]

From WordNet (r) 2.0 [wn]:



  Ulva
       n : type genus of the family Ulvaceae; green seaweed having a
           thallus two cells thick: sea lettuce [syn: {genus Ulva}]