Dictionary Check: jet

of the blackest black; similar to the color of jet or coal

an airplane powered by one or more jet engines

the occurrence of a sudden discharge (as of liquid)

a hard black form of lignite that takes a brilliant polish and is used in jewelry or ornamentation

atmospheric discharges (lasting 10 msec) bursting from the tops of giant storm clouds in blue cones that widen as they flash upward

street names for ketamine