tree fern

noun

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

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for tree fern

Historical Examples of tree fern

The larva feeds on Cyathea dealbata (tree-fern) in September.
New Zealand Moths and Butterflies
G. V. Hudson
It may be the same day as that of the Tree-fern, or one as remote as you please from it, before or after.
Omphalos
Philip Henry Gosse
A Tree-Fern, Dicksonia arborescens, with a young one near its base.
The Elements of Botany
Asa Gray
We had one tree-fern that rose from the centre of a rockery, and spread itself over it like a handsome umbrella.
Thirty Years in Australia
Ada Cambridge
Acrogen, ak′ro-jen, n. a plant that grows at the top chiefly, as a tree-fern.
Chambers's Twentieth Century Dictionary (part 1 of 4: A-D)
Various

British Dictionary definitions for tree fern

tree fern

noun

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

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012