Abdicate

[Sarah]

To proclaim or declare to be no longer one's own, to disclaim, disown, cast off; esp. to disown or disinherit children. Now only as a tech. term of Rom. Law (L. abdicare filium, also patrem); To depose (from an office or dignity). Obs.; refl. To formally cut oneself off, sever, or separate oneself from anything; esp. to divest oneself of an office (L. abdicare se magistratu). Obs.; trans. To put away, cast off, discard (anything). Obs.

[Raeanne Dimick]

to remove oneself from being [head of state]. eg. [Queen]/[King].

[Michiko]

To [give up] all [hope] of ever having [a flat] stomach.

[Monty]

(of a monarch) renounce one

[Julene]

If a king or queen abdicates, he or she makes a formal statement that he or she no longer wants to be king or queen: