What is the meaning of Fern?

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.

remote

far away

far away from something

four (used when counting singular nouns, pluralia tantum or groupings (especially pairs) of items, or when the item counted is missing from the sentence or separated by the preposition af (“of”))

fern

alder

shield

pole, stake

the letter F

Alternative form of infern

Source: wiktionary.org