What does "nod" mean?

Nod: To incline the head with a quick motion; to make a slight bow; to make a motion of assent, of salutation, or of drowsiness, with the head; as, to nod at one.

Additional senses

  1. 2.To be drowsy or dull; to be careless. Nor is it Homer nods, but we that dream. Pope.
  2. 3.To incline or bend, as the head or top; to make a motion of assent, of salutation, or of drowsiness with; as, to nod the head.
  3. 4.To signify by a nod; as, to nod approbation.
  4. 5.To cause to bend. [Poetic] By every wind that nods the mountain pine. Keats.
  5. 6.A dropping or bending forward of the upper oart or top of anything. Like a drunken sailor on a mast, Ready with every nod to tumble down. Shak.
  6. 7.A quick or slight downward or forward motion of the head, in assent, in familiar salutation, in drowsiness, or in giving a signal, or a command. A look or a nod only ought to correct them [the children] when they do amiss. Locke. Nations obey my word and wait my nod. Prior. The land of Nod, sleep.

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