Definitions of detach:

• verb:   cause to become detached or separated; take off

  Example: "Detach the skin from the chicken before you eat it"

• verb:   come to be detached

  Example: "His retina detached and he had to be rushed into surgery"

• verb:   military use: separate (a small unit) from a larger, especially for a special assignment

  Example: "Detach a regiment"