Meaning of “enclose” - Learner’s Dictionary

enclose

verb [ T ] uk us /ɪnˈkləʊz/
SEND

B2 to send something in the same envelope or parcel as something else:

I enclose a map of the area.
BE ALL AROUND

to be all around something and separate it from other things or places

enclosed adjective

He doesn't like enclosed spaces.

(Definition of “enclose” from the Cambridge Learner’s Dictionary © Cambridge University Press)