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ornamental

[awr-nuh-men-tl]
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adjective
  1. used or grown for ornament: ornamental plants.
  2. providing ornament; decorative.
  3. of or relating to ornament.
noun
  1. something ornamental; decoration; adornment.
  2. a plant cultivated for decorative purposes.

Origin of ornamental

First recorded in 1640–50; ornament + -al1
Related formsor·na·men·tal·i·ty, nounor·na·men·tal·ly, adverbnon·or·na·men·tal, adjectivenon·or·na·men·tal·ly, adverbnon·or·na·men·tal·i·ty, nouno·ver·or·na·men·tal, adjectiveo·ver·or·na·men·tal·ly, adverbo·ver·or·na·men·tal·i·ty, nounpre·or·na·men·tal, adjectivesu·per·or·na·men·tal, adjectivesu·per·or·na·men·tal·ly, adverbun·or·na·men·tal, adjectiveun·or·na·men·tal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for ornamentality

ornamental

adjective
  1. of value as an ornament; decorative
  2. (of a plant) used to decorate houses, gardens, etc
noun
  1. a plant cultivated for show or decoration
Derived Formsornamentally, adverb
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

Word Origin and History for ornamentality

ornamental

adj.

1640s, partly formed in English from ornament (n.) + -al (1); partly from Latin ornamentalis, from ornamentum.

Online Etymology Dictionary, © 2010 Douglas Harper