"Unlawful", "prohibited". The word is used in both a good and bad sense, e.g. Bayt-ul-Haraam, the sacred house; versus maal-ul-haraam, unlawfully obtained wealth.

"(The) Emigration," applied to the migration of the Prophet of Islam and his first followers from Makkah to Madinah; the beginning of the year in which this emigration took place (622 C.E.) was established by the khaleef 'Umar as the starting point of the Islamic calendar, which follows the lunar cycle.