Definitions
1.VerbTo open the mouth wide, especially involuntarily, as in a yawn, anger, or surprise.
2.VerbTo stare in wonder.
3.VerbTo open wide; to display a gap."The wound was gaping open and losing too much blood."
4.VerbTo open the passage to the vomeronasal organ, analogous to the flehming in other animals.
5.VerbTo depict a dilated anal or vaginal cavity upon penetrative sexual activity.
6.NounAn act of gaping; a yawn.
7.NounA large opening.
8.NounA disease in poultry caused by gapeworm in the windpipe, a symptom of which is frequent gaping.
9.NounThe width of an opening.
10.NounThe maximum opening of the mouth (of a bird, fish, etc.) when it is open.