Al*lan"toid (#), Al`lan*toid"al (#), a. [Gr. shaped like a sausage; sausage + form.] Anat.
Of or pertaining to the allantois.
© Webster 1913.
Al*lan"to*is (#), Al*lan"toid (#), } n.. Anat.
A membranous appendage of the embryos of mammals, birds, and reptiles, -- in mammals serving to connect the fetus with the parent; the urinary vesicle.
© Webster 1913.