yawnyawn1 /yɔn/ ●●○ verb [intransitive] 
1
to open your mouth wide and breathe deeply, usually because you are tired or bored2yawning gap/chasm a very large difference between two groups, things, or people: 
There are yawning gaps in the medical care available to Americans.
1 to open your mouth wide and breathe deeply, usually because you are tired or bored2yawning gap/chasm a very large difference between two groups, things, or people: There are yawning gaps in the medical care available to Americans.
