Meaning of the word "head of" in English

What does "head of" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

head of

US /hɛd əv/
UK /hɛd əv/

Phrase

the person in charge of a department, organization, or group

Example:
She was appointed head of the marketing department.
The head of the school addressed the students.