(hou) adverb
1. In what way or manner: I knew how it was done.
2. To what degree, extent, or amount; in what proportion: showing how great was the concentration of ions.
3. In what state or condition: Let me see how the account stands.
4. For what reason or purpose: I can’t see how he came to do it.
5. For what price; at what sum: I inquired how the stock sold.
6. By what name or designation: We know how he is called among his own people.
7. To what effect; with what meaning: How do you intend that remark to be taken?
8. Colloq. What?
—noun Way of doing or becoming; means: Teach me the how of it. [OE hū]

(hou) adjective Scot.
Hollow or deep; also, hollow in sound.
—noun A valley; glen. Also spelled howe.

(hou) interj.
An expression of greeting attributed to and used humorously in imitation of American Indians.