Definitions for usurpationˌyu sərˈpeɪ ʃən, -zər-
Random House Webster's College Dictionary
u•sur•pa•tionˌyu sərˈpeɪ ʃən, -zər-(n.)
an act of usurping.
illegal seizure and occupation of a throne.
Origin of usurpation:
1350–1400; ME < L
trespass, encroachment, violation, intrusion, usurpation(noun)
entry to another's property without right or permission
wrongfully seizing and holding (an office or powers) by force (especially the seizure of a throne or supreme authority)
"a succession of generals who ruled by usurpation"
The wrongful seizure of something by force, especially of sovereignty or other authority.
Trespass onto another's property without permission.
the act of usurping, or of seizing and enjoying; an authorized, arbitrary assumption and exercise of power, especially an infringing on the rights of others; specifically, the illegal seizure of sovereign power; -- commonly used with of, also used with on or upon; as, the usurpation of a throne; the usurpation of the supreme power
use; usage; custom