Pecopteris

2 definitions found

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

  Pecopteris \Pe*cop"te*ris\ (p[-e]*k[o^]p"t[-e]*r[i^]s), prop. n.
     [NL., fr. Gr. pe`kein to comb + petri`s a kind of fern.]
     (Paleon.)
     An extensive genus of fossil ferns; -- so named from the
     regular comblike arrangement of the leaflets.
     [1913 Webster]



From WordNet (r) 2.0 [wn]:

  pecopteris
       n : Carboniferous fossil fern characterized by a regular
           arrangement of the leaflets resembling a comb