1 [C] a piece of land that is surrounded by a fence or wall and is used for a particular purpose:
a wildlife enclosure * the winners' enclosure (= for the winners of a horse race)
2 [U,C] the act of placing a fence or wall around a piece of land:
the enclosure of common land in the seventeenth century * The result of the enclosures was that many countrymen lost their only livelihood.
3 [C] something that is placed in an envelope with a letter:
Always state the number of enclosures at the bottom of your letter.
