HERALD n. 2 definitions
In the Middle Ages, the officer charged with the above duties, and also with the care of genealogies, of the rights and privileges of noble families, and especially of armorial bearings. In modern times, some vestiges of this office remain, especially in England. See Heralds' College (below), and King-at-Arms.…
HOPPER n.
A vessel for carrying waste, garbage, etc., out to sea, so constructed as to discharge its load by a mechanical contrivance; -- called also dumping scow. Bell and hopper (Metal.), the apparatus at the top of a blast furnace, through which the charge is introduced, while the gases are retained. -- Hopper boy, a rake in…
HYDROMETER n.
An instrument, variously constructed, used for measuring the velocity or discharge of water, as in rivers, from reservoirs, etc., and called by various specific names according to its construction or use, as tachometer, rheometer, hydrometer, pendulum, etc.; a current gauge.