CHORIONS

Scrabble 13 Words With Friends 14

Scrabble letter values: C₃H₄O₁R₁I₁O₁N₁S₁ = 13

Definition

CHORIONS is the plural of CHORION.

noun CHORION: the outermost membranous sac enclosing the embryo in higher vertebrates (reptiles, birds and mammals).