An abnormal opening in an organ, such as a rupture.
That portion of a surface that remains after an open disk is removed from it.
A series of holes punched through something in order to assist in separating parts.
Any opening in a solid object.
The act of perforating or the state of being perforated.
A chasm or fissure.
A break in the clouds, fog, mist etc., which allows light through.
A shallow place in a stream; a ford.
To form a rift; to split open.
To belch.
To cleave; to rive; to split.