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. [Obs.] Derham.

Re*grate", v. t. [F. regratter to regrate provisions; of uncertain origin.] (Eng.Law) To buy in large quantities, as corn, provisions, etc., at a market or fair, with the intention of selling the same again, in or near the same place, at a higher price, -- a practice which was formerly treated as a public offense.