1TCM to put something inside an envelope as well as a letter :
Please enclose a cheque with your order.
Please enclose a cheque with your order. please find enclosed (=used in business letters to say that you are sending something with a letter)
Please find enclosed an agenda for the meeting.
Please find enclosed an agenda for the meeting.2 [usually passive]TBC to surround something, especially with a fence or wall, in order to make it separate :
The pool area is enclosed by a six-foot wall.
an enclosed area
The pool area is enclosed by a six-foot wall.
an enclosed area
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