A salaam is a greeting in some cultures where you bow low with your hand on your forehead.
Salaam is a very polite and respectful way to say hello.
Examples:
He gave a salaam to the king.
When you meet someone important, you should give a salaam.
The man showed his respect with a salaam.
I gave a big salaam to my teacher today.
In some places, people give a salaam to show they are very sorry.
The prince gave a salaam to everyone in the room.