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aroid

[ar-oid, air-]Botany
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adjective
  1. araceous.
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noun
  1. any plant of the arum family.
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Origin of aroid

1875–80; Latin arum (see arum family) + -oid
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for aroid

aroid

adjective
  1. Also: araceous of, relating to, or belonging to the Araceae, a family of plants having small flowers massed on a spadix surrounded by a large petaloid spathe. The family includes arum, calla, and anthurium
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noun
  1. any plant of the Araceae
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Word Origin

C19: from New Latin Arum type genus + -oid; see arum
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