decal /ˈdiː.kæl/noun 3verb 1forms 5 noun3 •A design or picture produced in order to be transferred to another surface either permanently or temporarily. •(US) A decorative sticker.Decorating each alienation, each species of withdrawal, as cufflink, decal, aimless doodling, there was somehow always the post horn. — 1966 •A texture overlaid on another texture to provide extra details. verb1 •To apply decals to. formsdecaled · decalled · decaling · decalling · decals