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acanthaceous

[ak-uh n-they-shuh s]
adjective
  1. having prickly growths.
  2. belonging to the plant family Acanthaceae.
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Compare acanthus family.

Origin of acanthaceous

1745–55; < New Latin Acanthace(ae) (see acanthus, -aceae) + -ous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for acanthaceous

acanthaceous

adjective
  1. of or relating to the Acanthaceae, a mainly tropical and subtropical family of flowering plants that includes the acanthus
  2. having spiny or prickly outgrowths
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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