ditch fern is a noun meaning "large deeply rooted fern of worldwide distribution with upright bipinnate compound tufted fronds". It carries one recorded sense.
large deeply rooted fern of worldwide distribution with upright bipinnate compound tufted fronds
Definitions, synonyms and semantic relations for ditch fern come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.