PORT-GLASGOW. See GLASGOW, n° 10.
PORTGREVE, or PORTGRAVE, was anciently the principal magistrate in ports and other maritime towns. The word is formed from the Saxon ports, "a port or other town;" and gref, "a governor."—It is sometimes also written port-reve.
Camden observes, that the chief magistrate of London was anciently called port-greve: instead of whom, Richard I. ordained two bailiffs; and soon afterwards King John granted them a mayor for their yearly magistrate.