Regrate:

To offend; to shock.

"The clothing of the tortoise and viper rather regrateth than pleaseth the eye."

-Derham's Physico-Theology.

(2) To engross; to forestal.

"Neither should they buy any corn, unless it were to make malt thereof; for by such engrossing and regrating, the dearth, that commonly reigneth in England, hath been caused."

-Spencer.