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[proh-buh-sid-ee-uh n, -bo-, proh-bos-i-dee-uh n] /ˌproʊ bəˈsɪd i ən, -bɒ-, proʊˌbɒs ɪˈdi ən/
pertaining to or resembling a proboscis.
having a proboscis.
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.
a proboscidean animal.
Also, proboscidian.
1825-35; < New Latin Proboscide(a) order name (Latin proboscid- (stem of proboscis proboscis) + -ea, neuter plural of -eus adj. suffix; see -eous) + -an Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for proboscidean
  • proboscidean relationships based on immunological data.
  • Fossils of pulmonate gastropods are fairly common with fresh water mollusks and proboscidean bones less common.
  • proboscidean origins of mastodon and wooly mammoth demonstrated immunologically.
British Dictionary definitions for proboscidean


of, relating to, or belonging to the Proboscidea, an order of massive herbivorous placental mammals having tusks and a long trunk: contains the elephants
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
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proboscidean in Science
proboscidean also proboscidian
  (prō'bə-sĭd'ē-ən, prō-bŏs'ĭ-dē'ən)   
  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 © 2002. Published by Houghton Mifflin. All rights reserved.
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Encyclopedia Article for proboscidean

any of the group of mammals that includes elephants and their extinct relatives such as mammoths and mastodons. Although only three species of elephant are extant today, more than 160 extinct proboscidean species have been identified from remains found on all continents except Australia and Antarctica. Most of these were called gomphotheres, which belonged to a different family from elephants. Elephants and mammoths both belong to the only surviving proboscidean family, Elephantidae.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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