[ar-oid, air-]Botany
  1. any plant of the arum family.

Origin of aroid

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

Examples from the Web for aroid

Historical Examples of aroid

British Dictionary definitions for aroid


  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
  1. any plant of the Araceae

Word Origin for aroid

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