Cromarty, a county in the N. of Scotland, consisting of ten fragments scattered up and down Ross-shire; the county town, the birthplace of Hugh Miller, being on the N. side of Cromarty Firth, which opens eastward into the Moray Firth, and forms a large harbour 1 m. long and 7 broad, protected at the mouth by two beetling rocks called Sutors, one on each side, 400 and 463 ft. high.