pecopteris

2 definitions found

pecopteris - Collaborative International Dictionary of English v.0.48 :

  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]

pecopteris - WordNet (r) 2.1 (2005) :

  pecopteris
      n 1: Carboniferous fossil fern characterized by a regular
           arrangement of the leaflets resembling a comb