araceous

[ uh-rey-shuhs ]
/ əˈreɪ ʃəs /

adjective Botany.

belonging to the plant family Araceae.

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What does “vacillate” mean?
Compare arum family.

Origin of araceous

First recorded in 1835–40; from New Latin Arace(ae) + -ous adjective suffix; see origin at arum family, -aceae
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for araceous

araceous
/ (əˈreɪʃəs) /

adjective

another word for aroid (def. 1)

Word Origin for araceous

C19: from New Latin Arāceae; 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