Enclosed means shut in on every side. An enclosed garden, an enclosed space, please find enclosed.
Please find enclosed is the standard letter formula for something sent with it, and it survives in email where nothing is enclosed at all. In safety law a confined or enclosed space is a defined hazard, since air can go bad in one without warning.
1adjectiveenclosedShut in on every side.
“The children played safely in an enclosed garden with high walls.”
enclosed is a state.