cathole

As a noun cathole

is a small pit, dug in the earth by hikers etc in order to bury faeces.

As an adjective undefined is

lacking a definition or value.

As a noun cathole is

a small pit, dug in the earth by hikers etc in order to bury faeces.

As nouns the difference between cathole and cathode

is that cathole is a small pit, dug in the earth by hikers etc in order to bury faeces while cathode is (electricity) an electrode, of a cell or other electrically polarized device, through which a current of electricity flows inwards (and thus, electrons flow outwards) it usually, but not always, has a negative voltage.

As nouns the difference between rathole and cathole

is that rathole is an entrance to a living area or passageway used by mice or rats while cathole is a small pit, dug in the earth by hikers etc in order to bury faeces.

As a verb rathole

is to hoard.