a fern, Camptosorus rhizophyllus, having simple, triangular fronds tapering into a prolongation that bends at the top and often takes root at the apex.
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Origin of walking fern
First recorded in 1820–30
Also called walking leaf.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for walking fern
The Walking-Fern, Camptosorus, reduced in size, showing its fruit-dots on the veins approximated in pairs.The Elements of Botany|Asa Gray
No one ever yet found the walking-fern who did not have the walking-fern in his mind.
British Dictionary definitions for walking fern
a North American fern, Camptosorus rhizophyllus, having sword-shaped fronds, the tips of which take root when in contact with the ground: family Aspleniaceae
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