jet black
         n 1: a very dark black [syn: {coal black}, {ebony}, {jet black},
               {pitch black}, {sable}, {soot black}]

English Dictionary: jet plane	by the DICT Development Group
From WordNet (r) 3.0 (2006) [wn]:
jet plane n an airplane powered by one or more jet engines [syn: jet, jet plane, jet-propelled plane]
From WordNet (r) 3.0 (2006) [wn]:
jet-black adj of the blackest black; similar to the color of jet or coal Synonym(s): coal-black, jet, jet-black, pitchy, sooty
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Jet-black \Jet"-black`\, a.       Black as jet; deep black.