Lustrous black (3)
'lustrous black' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for jet that I've seen before include "Black; spurt" , "Rapid stream of liquid or gas" , "Sort of black" , "Jumbo plane?" , "Deep black" .)
'lustrous black' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for ebon that I've seen before include "Poetic dark" , "Deep black" , "Dark in colour" .)