Hail (disambiguation)
From Wikipedia, the free encyclopedia
Hail may refer to:
- Hail, frozen precipitation
- Ha'il, a city 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