Metallic (5)
'metallic' is the definition.
This is the entire clue.
(Other definitions for tin that I've seen before include "roofing material" , "Silvery-white metallic element" , "loaf of bread" , "Silvery white metal" , "Ready" .)
'metallic' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for tinny that I've seen before include "Of poor audio quality" , "With thin metallic sound" , "Metallic-sounding" , "Shoddy" , "Sounding thin and metallic" .)