sensitive fern


a common, widely distributed fern, Onoclea sensibilis, having large, triangular leaves and beadlike spikes that contain the spores.

Nearby words

  1. sensible horizon,
  2. sensible perspiration,
  3. sensibly,
  4. sensillum,
  5. sensitive,
  6. sensitive plant,
  7. sensitively,
  8. sensitiveness,
  9. sensitivity,
  10. sensitivity group

Origin of sensitive fern

An Americanism dating back to 1805–15; so called from the sensitivity of its foliage to frost Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019