One who or something which enfolds; †in quot. spec. an enveloping membrane.

That which enwraps; an enveloping structure.

That which envelops or enwraps; a case, covering, envelope; spec. in Anatomy, a membranous envelope, as the pericardium.

An envelope, covering.

A purse-like sac or covering. Obsolete.

An enveloping structure; a wrapping; an envelope, case, or covering. Obsolete.

Chiefly Biology. A layer or covering on an outer surface, esp. of the body or part of the body of an organism. Occasionally also: an inner layer or…

concrete. Something that involves or enwraps; an envelope, covering, etc.

A mantle; something that serves the purpose of a mantle; a protective or ornamental covering; a wrapping, an envelope.

Outer covering, envelope; covering membrane; = involucre, n. 1.

A small tunic; also figurative a wrapping, covering, integument. Obsolete.

the action of envelop, v.; also concrete a wrapping; an enclosing membrane.

That in which anything is enveloped; ‘a wrapper, integument, covering’ (Johnson).

one who envelops or wraps up.