A hand-operated device with rollers, for wringing laundry.

The mangle attached to wringer washing machines, often called the wringer.

A mangrove (tree).

(transitive) To change, mutilate, or disfigure by cutting, tearing, rearranging, etc.

(transitive, computing) To modify (an identifier from source code) so as to produce a unique identifier for internal use by the compiler, etc.