The term FUTURE FERN is composed of two words, the first being 'FUTURE' and the second being 'FERN'. The crossword solution for the first word is SPORE, which is a reproductive structure produced by certain plants, fungi, and protists. Spores are typically very small and can be spread through the air or water to help the organism reproduce. The second word, FERN, refers to a type of plant that reproduces using spores. Ferns are found in many different habitats around the world and are known for their distinctive fronds. Together, FUTURE FERN could refer to a new species of FERN that has yet to be discovered or a new type of SPORE that could be used to propagate ferns in the FUTURE.