Re‐grate″ (r?‐gr?t″), v. t. [imp. & p. p.Regrated; p. pr. & vb. n.Regrating.] [F. regratter, literally, to scrape again. See Re-, and Grate, v. t.] 1. (Masonry) To remove the outer surface of, as of an old hewn stone, so as to give it a fresh appearance.
2. To offend; to shock. Derham.