Adder's fern

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A fern of species Polypodium vulgare.
  2. 2
    mat-forming lithophytic or terrestrial fern with creeping rootstocks and large pinnatifid fronds found throughout North America and Europe and Africa and east Asia wordnet
  3. 3
    Synonym of adder's tongue (“Ophioglossum species”).