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The dustlike spores of ferns, formerly believed to be seeds and once thought to have the power of making their possessor invisible.
the minute particles by which ferns reproduce themselves, formerly thought to be invisible. Possession of them was thought to make a person invisible
the spores of ferns, formerly supposed to have the power to make persons invisible.
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|Noun||1.||fern seed - the asexual spore of ferns that resembles dust; once thought to be seeds and to make the possessor invisible|
fern - any of numerous flowerless and seedless vascular plants having true roots from a rhizome and fronds that uncurl upward; reproduce by spores
spore - a small usually single-celled asexual reproductive body produced by many nonflowering plants and fungi and some bacteria and protozoans and that are capable of developing into a new individual without sexual fusion; "a sexual spore is formed after the fusion of gametes"