Migdol, or migdal, is a Hebrew word (מגדּלה מגדּל , מגדּל מגדּול) which means either a tower (from its size or height), an elevated stage (a rostrum or pulpit), or a raised bed (within a river). Physically, it can mean fortified land, i.e. a walled city or castle; or elevated land, as in a raised bed, like a platform, possibly a lookout. Figuratively, it has connotations of proud authority.

Joshua

Joshua

Joshua , is a minor figure in the Torah, being one of the spies for Israel and in few passages as Moses's assistant. He turns to be the central character in the Hebrew Bible's Book of Joshua...

 referred to Migdal-Gad, ‘tower of Gad’, one of the fortified cities of Judah, and also to Migdal-El, ‘tower of God’, a place in Palestine.

Jeremiah

Jeremiah

Jeremiah Hebrew：יִרְמְיָה , Modern Hebrew:Yirməyāhū, IPA: jirməˈjaːhu, Tiberian:Yirmĭyahu, Greek:Ἰερεμίας), meaning "Yahweh exalts", or called the "Weeping prophet" was one of the main prophets of the Hebrew Bible...

 referred to the Migdol of Egypt, an island in the Nile, and Ezekiel

Ezekiel

Ezekiel , "God will strengthen" , is the central protagonist of the Book of Ezekiel in the Hebrew Bible. In Judaism, Christianity and Islam, Ezekiel is acknowledged as a Hebrew prophet...

 referred to the Migdol of Syene, in Upper Egypt, in the context of the seat of government.

The Book of Exodus records that the children of Israel encamped at Pi-hahiroth

Pi-hahiroth

Pi-hahiroth is the fourth station of the Exodus. The fifth and sixth stations Marah and Elim Thebes Red Sea Port, are located on the Red Sea. The biblical books Exodus and Numeri refer to Pi-hahiroth as the place where the Israelites encamped between Baal-zephon and Migdol while awaiting an attack...

 between Migdol and the Red Sea

Red Sea

The Red Sea is a seawater inlet of the Indian Ocean, lying between Africa and Asia. The connection to the ocean is in the south through the Bab el Mandeb strait and the Gulf of Aden. In the north, there is the Sinai Peninsula, the Gulf of Aqaba, and the Gulf of Suez...

, before their historic crossing.

Migdal Ha'emek is a large hill surrounded by the Kishon river, west of Nazareth.