allantoid

UK:**UK and possibly other pronunciationsUK and possibly other pronunciations/əˈlæntɔɪd/US:USA pronunciation: respellingUSA pronunciation: respelling(ə lan′toid)


WordReference Random House Unabridged Dictionary of American English © 2026
al•lan•toid  (ə lan′toid),USA pronunciation adj. 
    Also, al•lan•toi•dal  (al′ən toid′l).USA pronunciation allantoic.

n. 
  1. the allantois.
  • Greek allantoeidé̄s, equivalent. to allant- (stem of allâs sausage) + -oeidé̄s -oid
  • 1625–35

Collins Concise English Dictionary © HarperCollins Publishers::
allantoid /əˈlæntɔɪd/ adj
  1. relating to or resembling the allantois
  2. shaped like a sausage
 n
  1. another name for allantois
Etymology: 17th Century: from Greek allantoeidēs sausage-shaped, from allas sausage + -oidallantoidal /ˌælənˈtɔɪdəl/ adj
'allantoid' also found in these entries (note: many are not synonyms or translations):
allantois

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