Dictionary.com
definitions
  • synonyms

sensitive fern

See more synonyms on Thesaurus.com
noun
  1. a common, widely distributed fern, Onoclea sensibilis, having large, triangular leaves and beadlike spikes that contain the spores.
Show More

Origin of sensitive fern

An Americanism dating back to 1805–15; so called from the sensitivity of its foliage to frost
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018