Definition of "Hegira" :
noun: a journey by a large group to escape from a hostile environment
noun: the flight of Muhammad from Mecca to Medina in 622 which marked the beginning of the Muslim era; the Muslim calendar begins in that year
noun: a journey by a large group to escape from a hostile environment
noun: the flight of Muhammad from Mecca to Medina in 622 which marked the beginning of the Muslim era; the Muslim calendar begins in that year