'potato fern' definitions:

Definition of 'potato fern'

(from WordNet)
noun
Large Australasian evergreen fern with an edible rhizome sometimes used as a vegetable by indigenous people [syn: potato fern, Marattia salicina]
noun
Small epiphytic fern of South America with tuberous swellings along rhizomes [syn: potato fern, Solanopteris bifrons]