■ verb
1》 involuntarily open one's mouth wide and inhale deeply due to tiredness or boredom.
2》 [usu. as adjective ~ing ] be wide open: a ~ing chasm.
■ noun
1》 an act of ~ing.
2》 informal a boring or tedious thing or event.
Derivatives
~ingly adverb
Origin
OE geonian , of Gmc origin.