Meaning
The allantois.
Etymology
Origin: Latin
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.
NYT Puzzle Appearances
No published puzzle dates on file for this word yet. It is part of the official NYT Spelling Bee word list for 2021, 2022, 2025.