More fully Ross Herald of Arms (in Ordinary). One of the senior heraldic Scottish officers of arms.
Before the Lyon Court Act of 1867 the Ross Herald was one of six heralds. The Act reduced the number of heralds to three, but did not exclude any of the original six heralds from holding the office..
Origin
Early 16th century. From Ross, the name of a county in the north of Scotland + herald.