Толковый словарь английского языка Oxford English Reference - enclose

v.tr. (also inclose) 1 (often foll. by with, in) a surround with a wall, fence, etc. b shut in on all sides. 2 fence in (common land) so as to make it private property. 3 put in a receptacle (esp. in an envelope together with a letter). 4 (usu. as enclosed adj.) seclude (a religious community) from the outside world. 5 esp. Math. bound on all sides; contain. 6 hem in on all sides. Etymology: ME f. OF enclos past part. of enclore ult. f. L includere (as INCLUDE)