Megaphyton

1 definition found

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

  Megaphyton \Me*gaph"y*ton\, n. [NL., from Gr. me`gas great +
     fyto`n plant.] (Paleon.)
     An extinct genus of tree ferns with large, two-ranked leaves,
     or fronds.
     [1913 Webster]