• Webster's Revised Unabridged Dictionary
    • v. t Regrate (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.
    • Regrate To offend; to shock.
    • Regrate (Masonry) To remove the outer surface of, as of an old hewn stone, so as to give it a fresh appearance.
    • ***
Century Dictionary and Cyclopedia
    • regrate To retail; specifically, to buy, as corn or provisions, and sell again in or near the same market or fair—a practice which, from its effect in raising the price, was formerly made a criminal offense, often classed with engrossing and forestalling.
    • regrate In masonry, to remove the outer surface of (an old hewn stone), so as to give it a fresh appearance.
    • regrate To grate or rasp; in a figurative sense, to offend; shock.
    • n regrate A Middle English form of regret.
    • ***
Chambers's Twentieth Century Dictionary
    • v.t Regrate rē-grāt′ in masonry, to remove the outer surface so as to give a fresh appearance.
    • v.t Regrate rē-grāt′ to buy and sell again in the same market, thus raising the price—once a criminal offence in England
    • ***


Webster's Revised Unabridged Dictionary
F. regratter, literally, to scrape again. See Re-, and Grate (v. t.)
Chambers's Twentieth Century Dictionary
O. Fr. regrater—Low L. recatare, to retail—L. re-, back, captāre, to catch.


In literature:

O my Parisian Friends, is not this, as well as Regraters and Feuillant Plotters, one cause of the astonishing dearth of Sugar!
"The French Revolution" by Thomas Carlyle
No one was to forestall or regrate, that is, buy at one price and sell at a higher price in the same locale.
"Our Legal Heritage, 5th Ed." by S. A. Reilly
The certantie understand, the said Maister George tooke his leave of Kyle, and that with the regrate of many.
"The Works of John Knox, Vol. 1 (of 6)" by John Knox
She's a regrater when in health; but there's a baby come.
"Shining Ferry" by Sir Arthur Thomas Quiller-Couch
In the towns there was an outcry against corn merchants, who were guilty of forestalling and regrating.
"William Pitt and the Great War" by John Holland Rose
Nothing was more hateful to the mediaeval trader than forestalling and regrating.
"The History of London" by Walter Besant
There is no fear of regrating here, nor the likelihood of our having to drink water for some time.
"An Englishman in Paris" by Albert D. (Albert Dresden) Vandam
There is Rose the Regrater, who also weaves woollen cloth and cheats her spinsters.
"Medieval English Nunneries c. 1275 to 1535" by Eileen Edna Power