fern seed


noun

the spores of ferns, formerly supposed to have the power to make persons invisible.

Origin of fern seed

First recorded in 1590–1600
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for fern seed

fern seed


noun

the minute particles by which ferns reproduce themselves, formerly thought to be invisible. Possession of them was thought to make a person invisible
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012