Meaning of -HEAD in English

-HEAD

-head /hed/ AmE suffix [in nouns]

1 . the top of something:

the pithead (=the top of a coalmine)

a letterhead (=a name and address printed at the top of a letter)

2 . the place where something begins:

a fountainhead

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.