English edit

Noun edit

key-fruit (plural key-fruits)

  1. A samara.
    • 1910, Proceedings, volumes 11-12, Davenport Academy of Sciences, page 308:
      From February 23 to April 30 a flock of about one hundred visited the University campus daily, feeding principally upon the samara or key-fruits of the box-elder trees, also the seeds of sugar-maples, and leaf buds.