Webster’s Revised Unabridged Dictionary · 1913
Cornish
Cor′nish (k?r′n?sh), a. Of or pertaining to Cornwall, in England.
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.
Cor′nish, n. The dialect, or the people, of Cornwall.