herald (plural heralds) 1  A messenger, especially one bringing important news. 2  A harbinger, giving signs of things to come. ( 3 heraldry) An official whose speciality is heraldry, especially one between the ranks of pursuivant and king-of-arms. ( entomology) A moth of the species Scoliopteryx libatrix.
a fire nozzle weighs approximately  ten to fifteen pounds.
To douse fires, the Edward J. Moran, pictured here, calls on the most powerful firefighting capacity afloat. Twin 900-hp pumps pull water through 12-inch risers to a pair of 360-degree nozzles that the crew controls remotely from the pilothouse. The flow rate: 11,800 gallons of water per minute.