gape / gāp/ • v. [intr.] stare with one's mouth open wide, typically in amazement or wonder: they gaped at her as if she were an alien. ∎ be or become wide open: a large duffel bag gaped open by her feet | [as adj.] (gaping) there was a gaping hole in the wall. • n. a wide opening or breach: a gape of the jaws. ∎ an open-mouthed stare: she climbed into her sports car to the gapes of passersby. ∎ a widely open mouth or beak: juvenile birds with yellow gapes. ∎ (the gapes) a disease of birds with gaping of the mouth as a symptom, caused by infestation with gapeworm.DERIVATIVES: gap·ing·ly adv.