When you nod, you move your head up and down. It often means you agree or say yes to someone.
She nodded when I asked her.
He nodded to say yes clearly.
A nod is a small head movement. People use it to show yes or to agree with someone.
He gave a nod to his friend.
She gave a nod when she agreed.
To nod can also mean to lower your head a little because you feel sleepy. Sometimes people nod while they are falling asleep.
He nodded off during the long meeting.
She nodded a little when she was very tired.
Sometimes nod means to move your head a little to show you understand or accept something without speaking.
The teacher nodded at the student quietly.
He nodded to show he understood the idea.
A nod can be a small bow or lowering of the head to show respect or thanks to someone.
He gave a nod to the elder with respect.
A nod of thanks is polite here.
In technology, a nod is a signal that shows a command or message is received or understood by a machine or system.
The system sends a nod after the command.
A nod confirms data received by the device.
In plants, to nod means the stem or flower head bends or droops down, often because of wind or weight.
The flowers nodded in the gentle breeze.
The plant nods when it is heavy with fruit.
