Dam plate

(Blast Furnace) an iron plate in front of the dam, to strengthen it.

See also: Dam

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
THE MANGLA DAM PLATE CLASS VII DIV IV and V 1,000M:
THE MANGLA DAM PLATE CLASS VII DIV III and IV 1,000M:
THE MANGLA DAM PLATE CLASS VII DIV V FOR MAIDENS 900M: