Noun

(en noun)

An instance of moving to live in another place for a while.

Seasonal moving for animals, birds or fishes to breed or find a new home.

* {{quote-magazine, date=2013-01-01

, author=Paul Bartel, Ashli Moore , title=Avian Migration: The Ultimate Red-Eye Flight , volume=101, issue=1, page=47–48 , magazine= citation , passage=Many of these classic methods are still used, with some modern improvements. For example, with the aid of special microphones and automated sound detection software, ornithologists recently reported […] that pine siskins (Spinus pinus ) undergo an irregular, nomadic type of nocturnal migration .}}

Movement in general.

The migration of lead from a can to the food inside it can cause lead poisoning.

(computing) Instance of changing a platform from an environment to another one.

Noun

(head) (sometimes lowercase)

Hegira; the beginning of the Muslim era, equivalent to 16 July 622, by the Julian calendar of the time.

Since the Muslim lunar year contains only 354 days, the year 2005 is approximately equivalent to Hijra 1426.

The first day of the Islamic month of Muharram.

Calendar system used in Islam.

Muhammad’s departure from Mecca to avoid persecution.

Any flight or journey to a better place.