Webster's Online Dictionary
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Definition: ALLANTOID

Part of Speech Definition
Noun 1. A membranous appendage of the embryos of mammals, birds, and reptiles, -- in mammals serving to connect the fetus with the parent; the urinary vesicle.[Websters].
Adjective 1. Shaped like a sausage.[Wordnet]
2. Alt. of Allantoidal.[Websters]
3. Rarely used base adjective of the adverb allantoidly.[Eve - graph theoretic]
Adverb Form
(allantoidly)
1. Virtually never used adverbial inflection of the rarely used adjective allantoid.[Eve - graph theoretic]

Sources: compiled from various sources, (under license) copyright 2008. Webster's Revised Unabridged Dictionary, WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.

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Date "Allantoid" was first used in popular English literature: sometime before 1844. (references)

Definition: ALLANTOID

Part of SpeechDefinition
Noun1. A membranous appendage of the embryos of mammals, birds, and reptiles, -- in mammals serving to connect the fetus with the parent; the urinary vesicle.[Websters].
Adjective1. Shaped like a sausage.[Wordnet]
2. Alt. of Allantoidal.[Websters]
3. Rarely used base adjective of the adverb allantoidly.[Eve - graph theoretic]
Adverb Form
(allantoidly)
1. Virtually never used adverbial inflection of the rarely used adjective allantoid.[Eve - graph theoretic]

Sources: compiled from various sources, (under license) copyright 2008. Webster's Revised Unabridged Dictionary, WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.

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Date "ALLANTOID" was first used in popular English literature: sometime before 1844. (references)