/pir"euh lid/ , n.
1. any of numerous slender-bodied moths of the family Pyralidae, having elongated triangular forewings, and in the larval phase including many crop pests.
adj.
2. belonging or pertaining to the family Pyralidae.
[ 1580-90; Pyralidae, equiv. to Pyral ( is ) type genus ( pyralis pyralís an insect thought to live in fire; akin to pyr FIRE) + -idae -ID 2 ]