gape
1. [ verb ] look with amazement; look stupidly
Synonyms: gawk gawp goggle
Related terms: look
2. [ noun ] an expression of open-mouthed astonishment
Related terms: facial_expression rictus goggle
3. [ verb ] be wide open
Synonyms: yaw yawn
Examples:

"the deep gaping canyon"

Related terms: be
4. [ noun ] a stare of amazement (usually with the mouth open)
Related terms: stare goggle
Similar spelling:   gap
  gawp
  gaap
  gaffe
  gab
  gaff
  Gaby
  GABA