·adj That bites; sharp; cutting; sarcastic; caustic.
II. Biting ·p.pr. & ·vb.n. of Bite.
·- The process of corroding or eating into metallic plates, by means of an acid. ·see <<Etch>>. ...
Webster's Dictionary of the English Language
·noun ·same·as <<Cribbing>>, 4. ...