Definitions for "Hijrah"
Hijrah signifies migration from a land where a Muslim is unable to live according to the precepts of his faith to a land where it is possible to do so. The hijrah par excellence for Muslims is the hijrah of the Prophet (S.A.W.) which not only provided him and his followers refuge from persecution, but also an opportunity to build a society and state according to the ideals of Islam.
The migration of the prophet Muhammad from Mecca to Medina in 622 A.D.
Rasoolollah's migration from Mecca to Medina.