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[frond] /frɒnd/
noun, Botany
an often large, finely divided leaf, especially as applied to the ferns and certain palms.
a leaflike expansion not differentiated into stem and foliage, as in lichens.
1745-55; < Latin frond- (stem of frōns) branch, bough, foliage
Related forms
fronded, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for fronds
  • Crickets are singing in the night outside, and the warm night air ruffles the fronds on a nearby palm tree.
  • Wispy and tall, the plant's fronds sway in the wind, adding movement to the garden.
  • Verdant foliage carpets the slope below, and on the valley floor, palm fronds dance in the warm breeze.
  • Place three of the fern fronds in the vase to a triangle.
  • The macadam ran on straight and narrow, bisecting the spring-green wilderness of fronds.
  • They are too many to list here, but they can be summarized as follows: things that can be done with wood and palm fronds.
  • The filter is baleen: a set of fronds that hangs from their upper jaws.
  • They swallow up water and filter it through fronds in their mouths called baleen.
  • The seed germinated, sprouted, and grew flourishing palm fronds.
  • Ferns do well because they've evolved nasty, unpalatable chemicals in their fronds.
British Dictionary definitions for fronds


a large compound leaf, esp of a fern
the thallus of a seaweed or a lichen
Derived Forms
fronded, adjective
frondless, adjective
Word Origin
C18: from Latin frōns
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
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Word Origin and History for fronds



1785, from Latin frons (genitive frondis) "leafy branch, green bough, foliage." Adopted by Linnæus in a sense distinct from folium.

Online Etymology Dictionary, © 2010 Douglas Harper
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fronds in Science
  1. A leaf of a fern or cycad, usually consisting of multiple leaflets.

  2. A large, fanlike leaf of a palm tree.

  3. A leaflike structure such as the thallus of a lichen or a seaweed.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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