A belch.
To cause someone (such as a baby) to burp.
To utter by burping
To open (a container of fermenting substance) to allow the release of accumulated gas.
To emit a burp.
A hollow area within the body.
A hole or hollow depression in a solid object.
A small or large hole in a tooth caused by caries; often also a soft area adjacent to the hole also affected by caries.