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allantoid

[ uh-lan-toid ]
/ əˈlæn tɔɪd /
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adjective
Also al·lan·toi·dal [al-uhn-toid-l]. /ˌæl ənˈtɔɪd l/. allantoic.
noun
the allantois.
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Origin of allantoid

1625–35; <Greek allantoeidḗs, equivalent to allant- (stem of allâs sausage) + -oeidḗs-oid
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

British Dictionary definitions for allantoid

allantoid
/ (əˈlæntɔɪd) /

adjective
relating to or resembling the allantois
botany shaped like a sausage
noun
another name for allantois

Derived forms of allantoid

allantoidal (ˌælənˈtɔɪdəl), adjective

Word Origin for allantoid

C17: from Greek allantoeidēs sausage-shaped, from allas sausage + -oid
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

Medical definitions for allantoid

allantoid
[ ə-lăntoid′ ]

adj.
Of or having an allantois.
Shaped like a sausage.
n.
allantois
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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