tree fern

noun
  1. any of various ferns, mostly tropical and chiefly of the family Cyatheaceae, that attain the size of trees, sending up a straight trunklike stem with foliage at the summit.

Origin of tree fern

First recorded in 1840–50
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British Dictionary definitions for tree fern

tree fern

noun
  1. any of numerous large tropical ferns, mainly of the family Cyatheaceae, having a trunklike stem bearing fronds at the top
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