A quick downward motion of the head, often used to indicate agreement, acknowledgment, or greeting. She gave a nod of approval when she heard the good news.
A sign of recognition or respect, often subtle or understated. The award was a nod to his years of dedicated service.
A brief, light sleep; a nap (chiefly British informal). He had a quick nod in the armchair before dinner.
Informal: official permission or approval, especially when given with little ceremony. The marketing team finally got the nod from the CEO to launch the new campaign.