Thesaurus

(v) : to rub a surface with a sharp object, especially by a living creature to remove itching with nails, claws, etc; to rub the skin with rough material causing a sensation of irritation

(n) : a disruption, mark or shallow cut on a surface made by scratching; money

(adj) : for or consisting of preliminary or tentative, incomplete, etc. work; from scratchpad), describes a data structure or recording medium attached to a machine for testing or temporary-use purposes; one that can be scribbled on without loss. Usually in the combining forms scratch memory, scratch register, scratch disk, scratch tape, scratch volume, scratch space. See also scratch monkey