During his time as president, he was the only regional head without any spouse.

With boys, this often forms the only head covering.

He was the only foreign head of state to attend.

King is the only North American head of government to meet with Hitler.

It wasn't the only head to be scratched this night.

Gaddafi is the only cool head as the minister panics.

Mildred was the only cool head in the family.

Marco looked around for the only blond head in the room, but had a fair notion of where to find him.

You are perhaps the only crowned head that can boast of such friends.

John Fisher, a Cambridge man, is the only head of a college at either university to have been made a saint.