A gesture or action of nodding the head to indicate agreement or acknowledgment.

A sleepy or drowsy state, often used to describe a person who is nodding off.

नींद में आ जाना या झपकी लेना।

English Usage: She was in a nid-nod while listening to the boring lecture.

Hindi Usage: वह उबाऊ व्याख्यान सुनते-सुनते नींद में चली गई।