pyr·a·lis \ˈpirələ̇s\noun Etymology: Latin, from Greek, from pyr fire — more at pyr- 1.pluralpyralidesobsolete: a fly fabled as born from or living in fire 2.[New Latin, from Latin] a.capitalized: the type genus of the family Pyralididae — see meal moth b.pluralpyralis·es\-lə̇sə̇z\orpy·ral·i·des\pə̇ˈraləˌdēz, pīˈr-\: any moth of the genus Pyralis