hei

The word or initialism HEI or Hei could mean:Hei, abbreviation for Heilongjiang province in the People's Republic of ChinaHEI, High Explosive Incendiary ammunitionHEI, Graduate Institute of International Studies or Institut universitaire de hautes études internationales, in Geneva, SwitzerlandHEI, Hautes Etudes d'Ingénieur, engineering school located in Lille, FranceH.E.I., high energy ignitionan abbreviation for Alfons Heiderich from the Fullmetal Alchemist movieHeighington railway station, England; National Rail station code HEI."Hello" in Finnish, the native tongue of Finland.Also means "Hello" in Norwegian, the native tongue of Norway.Hei, the main character from Darker than Black.
See more at Wikipedia.org...

interj. hey, hallo!, you there!; wow!

v. have, possess; be

interj. hey, hello!, you there! (used to gain attention)

n. heath, open uncultivated land with few trees

v. pile, ram

He', Heh, Hei (Hebrew) The fifth letter of the Hebrew alphabet, , supposed to be a window or opening. Blavatsky suggests that its meaning in the Tetragrammaton (IHVH) is that of a womb. The numerical value is 5.

It holds an intermediate position in pronunciation between the soft aleph and the harsher heth and consequently both in pronunciation and writing it is occasionally interchanged with these two other characters.