One of the ends of a bridge is usually so called, and the term is sometimes applied synonymously with buttress. Butments are often strengthened with counter-forts. Also called 'abutments.'
Related term(s): Abutment; Buttress
Source information: Britton, John, F.S.A. A Dictionary of the Architecture and Archaeology of the Middle Ages. J. Le Keux, illus. London: Longman, Orme, Brown, Green, and Longmans, Paternoster Row; and the Author, Burton Street, 1838. 6.