Airport sight (3)
I believe the answer is:
jet
(Other definitions for jet that I've seen before include "Deep black" , "Spurt; aircraft" , "Hard black mineral or plane engine" , "Jumbo plane?" , "The blackest black" .)
I believe the answer is:
jet
(Other definitions for jet that I've seen before include "Deep black" , "Spurt; aircraft" , "Hard black mineral or plane engine" , "Jumbo plane?" , "The blackest black" .)