What is the meaning of Relieve_oneself?

To ease (a person, person's thoughts etc.) from mental distress; to stop (someone) feeling anxious or worried, to alleviate the distress of.

To ease (someone, a part of the body etc.) or give relief from physical pain or discomfort.

To alleviate (pain, distress, mental discomfort etc.).

To provide comfort or assistance to (someone in need, especially in poverty).

To lift up; to raise again.

To raise (someone) out of danger or from (a specified difficulty etc.).

To free (someone) from debt or legal obligations; to give legal relief to.

To bring military help to (a besieged town); to lift the siege on.

To release (someone) from or of a difficulty, unwanted task, responsibility etc.

To free (someone) from their post, task etc. by taking their place.

To make (something) stand out; to make prominent, bring into relief.

To urinate or defecate.

To ease one's own desire to orgasm, often through masturbation to orgasm.

relief (protrusion)

Source: wiktionary.org