fern

As a proper noun fern

is (female) from the fern plant.

As an adjective acrostichoid is

(botany|of a fern) whose sori densely cover the underside of the frond like a felt, without visible gaps between them.

As nouns the difference between fern and spleenwort

is that fern is any of a group of some twenty thousand species of vascular plants classified in the division Pteridophyta that lack seeds and reproduce by shedding spores to initiate an alternation of generations while spleenwort is any of a number of types of ferns in the genus Asplenium.

As a proper noun Fern

is {{given name|female}} from the fern plant.

As nouns the difference between fern and sporophyll

is that fern is any of a group of some twenty thousand species of vascular plants classified in the division Pteridophyta that lack seeds and reproduce by shedding spores to initiate an alternation of generations while sporophyll is the equivalent to a leaf, in ferns and mosses, that bears the sporangia.

As a proper noun Fern

is {{given name|female}} from the fern plant.