Scarify
Scarify , transitive verb
[French scarifier, Latin scarificare, scarifare, from Greek {not transcribed} to scratch up, from {not transcribed} a pointed instrument.]
1.
(Medicine) To scratch or cut the skin of; esp. (Medicine), to make small incisions in, by means of a lancet or scarificator, so as to draw blood from the smaller vessels without opening a large vein.
2.
(Agriculture) To stir the surface soil of, as a field.