Roynish

a. [ F. rogneux, from rogne scab, mange, itch. ] Mangy; scabby; hence, mean; paltry; troublesome. [ Written also roinish. ] [ Obs. ] “The roynish clown.” Shak. [ 1913 Webster ]

a. Of or pertaining to Cornwall, in England. [ 1913 Webster ]

Cornish chough. See Chough. --
Cornish engine, a single-acting pumping engine, used in mines, in Cornwall and elsewhere, and for water works. A heavy pump rod or plunger, raised by the steam, forces up the water by its weight, in descending. [ 1913 Webster ]