integument.

An outer covering or protective layer of an organism or one of its parts.

Use it for

Words that belong together

• a tough integument
• the outer integument

On the page

The integument split along a line absent from the earlier image.

A tough integument concealed the softer structure beneath it.

Usage notes

Primary category: horror. Forms: Singular integument; plural integuments. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings.