Look up hail in
Wiktionary, the free dictionary.

Hail may refer to:

• Hail, frozen precipitation
• Ha'il, a city in Saudi Arabia
• Ha'il Province, in Saudi Arabia
• the Collatz conjecture, aka "hailstone problem", a mathematical problem in number theory
• Hail Mary, a traditional Catholic and Eastern Orthodox prayer calling for the intercession of Mary, the mother of Jesus.
• Highways Agency Information Line in England
• Hydro Acoustic Information Link, manufactured by Nautronix
• HAIL, Honeywell Automation India Limited
• Hail Satan, an expression

This disambiguation page lists articles associated with the same title. If an internal link led you here, you may wish to change the link to point directly to the intended article.