allantoid

A1L1L1A1N1T1O1I1D2
US, UK/əˈlæntɔɪd/

noun

The allantois.

Similar
sausage-shapedrounded
First used 17th–20th c.Scrabble 10

Meanings

nounallantoid (plural allantoids)

plural allantoids

  1. obsoleteembryologyThe allantois.First known use 17th–20th c.

    The allantoide in some animals seems to have become extinct; in others is above tenfold the size, which would seem necessary for its purpose.

    1791, Erasmus Darwin, The Economy of Vegetation, J. Johnson, page 8
adjectiveallantoid (comparative more allantoid, superlative most allantoid)

comparative more allantoid · superlative most allantoid

  1. embryologyAllantoic.First known use 17th c.
  2. biologySausage-shaped; especially with reference to fungal spores that are long with rounded ends.First known use 18th c.

Synonyms & antonyms

adjectiveshaped like a sausage

Similar
sausage-shapedrounded

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Ancient Greekἀλλᾶς“sausage”
  2. Koine Greekἀλλαντοειδής“sausage-shaped”
  3. Renaissance Latinallantoides
  4. Frenchallantoïde
  5. Englishallantoid

From French allantoïde, and its source, Renaissance Latin allantoides, from Koine Greek ἀλλαντοειδής (allantoeidḗs, “sausage-shaped”), from Ancient Greek ἀλλᾶς (allâs, “sausage”). By surface analysis, allant- + -oid.

Full word history & related roots →

Translations

Catalan al·lantoide
  • al·lantoidesausage shaped
Portuguese alantoide
  • alantoidesausage shaped
Spanish alantoideo
  • alantoideosausage shaped

Rhymes & wordplay

Rhymes with allantoid

All rhymes →

Anagrams

Cite this entry
APA

allantoid. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/allantoid

MLA

“allantoid.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/allantoid. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “allantoid,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/allantoid.

Source: allantoid on Wiktionary, CC BY-SA 4.0.