A variety of lignite, of a very compact texture and velvet black color, susceptible of a good polish, and often wrought into mourning jewelry, toys, buttons, etc. Formerly called also black amber.(noun)
source: webster1913
A shooting forth; a spouting; a spurt; a sudden rush or gush, as of water from a pipe, or of flame from an orifice; also, that which issues in a jet.(noun)
source: webster1913
adjective satellite (s)
of the blackest black; similar to the color of jet or coal(adj.all)