ALCMAER, a city of the United Provinces, in North Holland, seated about four miles from the sea, 15 from Haarlem, and 18 from Amsterdam. The streets and houses are extremely neat and regular, and the public buildings very beautiful. The church of St Lawrence is a fine Gothic building of the fifteenth century, with a beautiful porch. Alcmæer has a court of primary jurisdiction, a college, a theatre, &c. In 1850 the number of inhabitants was 10,148.