integument
in.teg.u.ment \in-'teg-y*-m*nt\ \(.)in-.teg-y*-'ment-*l\ n [L integumentum, fr. integere to cover, fr. in- + tegereX to cover - more at THATCH : something that covers or encloses; esp : an enveloping layer (as a skin membrane or husk) of an organism or one of its parts - in.teg.u.men.tal aj