Firework type (5,6)
(Other definitions for roman candle that I've seen before include "Firework projecting succession of coloured stars" , "Type of firework" , "Pyrotechnic device" , "Cylindrical firework" , "Example of fireworks" .)
(Other definitions for rocket that I've seen before include "One's fired up" , "7 or firework" , "High speed steam engine (1829)" , "Projectile salad ingredient" , "Projectile; salad plant" .)