Integument means a covering.The term integumentary (integument + -ary) means:

A) to make a covering.
B) pertaining to a covering.
C) the process of covering.
D) to resemble a covering.

Integumentary

Relating to the integument or the skin, particularly its covering and protective functions.

Integument

The natural covering of an organism or an organ, such as skin, shell, or rind, acting as a protective barrier.