to move your head down and then up, sometimes several times, especially to show agreement, approval, or greeting, or to show something by doing this
Many people in the audience nodded in agreement.
When I suggested a walk, Elena nodded enthusiastically.
She looked up and nodded for me to come in.
The audience gave a nod of approval after the performance.
He gave a subtle nod to acknowledge her presence.
Nodding off during the boring lecture was hard to avoid.
The teacher gave a nod, signaling the end of the class.
