Open wide, due to amazement or poor craftsmanship

verb

1. To open the mouth wide
2. To open or part widely

   "holes gaped in the pavement"

3. To gaze stupidly or in open-mouthed surprise or wonder

   "gaped at the squabbling monkeys"

4. Yawn

   "The dull lecture made the students gape."

noun

1. An act or instance of opening the mouth wide or of keeping the mouth open wide

   "One piranha, she discovered, went from wide-open gape to shut jaws in less than five milliseconds, far faster than the wink of an eye."

2. The expanse of an open mouth the opening formed by the open mouth of an animal (such as a bird, fish, or snake)

   "An eel, like most fishes, amphibians, and reptiles, is gape limited, meaning it can eat only what it can swallow …"

3. The line along which the mandibles see mandible of a bird close
4. Something resembling an open mouth (such as an unfilled space or extent)

   "A hole, in whitewater parlance, is a recirculating maw of foam. … Its gape shows like a frothy smirk or, depending on viewpoint, a frown."

5. The width of an opening

   "… gyratory crushers having a gape suitable for the coarsest crushing …"

6. A disease of birds and especially young birds in which gapeworms invade and irritate the trachea see trachea

   "a case of gapes"