Definition of: pyralidid

(pi·ral′ə·did) adjective
Of or pertaining to a family (Pyralididae) of small or medium–sized moths of slender build and broad hind wings, including many groups sometimes classified as separate families.
—noun A moth belonging to this family. Also pyr·a·lid (pir′ə·lid). [<NL <L pyralis, -idis a winged insect supposed to live in fire <Gk. <pyr, pyros a fire]
—py·ral′i·dan adjective & noun