1. [ noun ] (botany) any fern of the genus Trichomanes having large pinnatifid often translucent fronds; most are epiphytic on tree branches and twigs or terrestrial on mossy banks
Synonyms: bristle_fern
Related terms: fern Killarney_fern hare's-foot_bristle_fern kidney_fern Trichomanes
2. [ noun ] (botany) any fern of the genus Hymenophyllum growing in tropical humid regions and having translucent leaves
Synonyms: film_fern
Related terms: fern Hymenophyllum
Similar spelling:   film_fern