COBALT n.
A commercial name of a crude arsenic used as fly poison. Cobalt bloom. Same as Erythrite. -- Cobalt blue, a dark blue pigment consisting of some salt of cobalt, as the phosphate, ignited with alumina; -- called also cobalt ultramarine, and Thenard's blue. -- Cobalt crust, earthy arseniate of cobalt. -- Cobalt glance…
COLLECTOR n. 2 definitions
An officer appointed and commissioned to collect and receive customs, duties, taxes, or toll. A great part of this is now embezzled . . . by collectors, and other officers. Sir W. Temple.