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

Words nearby allantoid

allantochorion, allantoic, allantoic sac, allantoic stalk, allantoic vesicle, allantoid, allantoid membrane, allantoidoangiopagous twins, allantoin, allantoinuria, allantois

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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-lăn′toid′ ]

adj.

Of or having an allantois.

Shaped like a sausage.

allantois