leather fern leat·her·fern uncommon noun 1. stout tropical swamp fern (especially tropical America) having large fronds with golden yellow sporangia covering the undersides Synonymsgolden fernleather fernAcrostichum aureum 2. widely distributed fern of tropical southern hemisphere having leathery pinnatifid fronds Synonymsleather fernleatherleaf fernten-day fernRumohra adiantiformisPolystichum adiantiformis Related words Broader terms fern Parts RumohraAcrostichum WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
