verb
flares; flared; flaring
[no obj] :to shine or burn suddenly and briefly
[no obj] :to become suddenly excited, angry, or active
to open or spread outward [no obj]
noun
plural flares
[count] :a light that shines brightly and briefly
[count] :a very bright light that is used to give a signal, to light up something, or to attract attention
[count] :a sudden expression of anger :flare-up
[count] :a shape or part that spreads outward
flares [plural] :pants with legs that become wider at the bottom :bell-bottoms