Definition of allantois

Scrabble & Words with friends points


  • allantois is a valid Scrabble US word with a point value of 9
  • allantois is a valid Scrabble UK word with a point value of 9
  • allantois is a valid Words with friends word with a point value of 12

Definition of allantois


  • the vascular fetal membrane that lies below the chorion and develops from the hindgut in many embryonic higher vertebrates (reptiles, birds and mammals) (noun)

See definition of allantois in Merriam Webster