Cornish

Part of speech: noun (n.)

The dialect, or the people, of Cornwall.

Part of speech: adjective (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.