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  • synonyms

rattlesnake fern


noun

any of several American grape ferns, especially Botrychium virginianium, having clusters of sporangia resembling the rattles of a rattlesnake.

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Nearby words

rattlebrained, rattlehead, rattlepate, rattler, rattlesnake, rattlesnake fern, rattlesnake flag, rattlesnake master, rattlesnake plantain, rattlesnake root, rattlesnake weed

Origin of rattlesnake fern

An Americanism dating back to 1805–15
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019