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proboscidean

or pro·bos·cid·i·an

[proh-buh-sid-ee-uh n, -bo-, proh-bos-i-dee-uh n]
adjective
  1. pertaining to or resembling a proboscis.
  2. having a proboscis.
  3. belonging or pertaining to the mammals of the order Proboscidea, characterized by a flexible trunk formed of the nostrils and upper lip, large tusks, a massive body, and columnar legs, comprising the elephant and the now-extinct mammoth and mastodon.
noun
  1. a proboscidean animal.

Origin of proboscidean

1825–35; < New Latin Proboscide(a) order name (Latin proboscid- (stem of proboscis proboscis) + -ea, neuter plural of -eus adj. suffix; see -eous) + -an
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for proboscidean

proboscidean

proboscidian

adjective
  1. of, relating to, or belonging to the Proboscidea, an order of massive herbivorous placental mammals having tusks and a long trunk: contains the elephants
noun
  1. any proboscidean animal
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
proboscidean in Science

proboscidean

  1. Any of various mammals of the order Proboscidea, having a long trunk, large tusks, and a massive body. The elephants and its extinct relatives, such as the mastodons, are proboscidians.
  2. Of or belonging to the order Proboscidea.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.