Nod /(nŏd)/

1. To bend or incline the upper part, with a quick motion; as, nodding plumes.
2. 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.
3. To be careless or inattentive; to make a mistake from lack of attention.

   Nor is it Homer nods, but we that dream.

4. To be drowsy or dull; to doze off, especially while in a sitting position; as, half the class nodded while the professor droned on.

imp. & p. p. Nodded; p. pr. & vb. n. Nodding

1. 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.
2. To signify by a nod; as, to nod approbation.
3. To cause to bend. [Poetic]

   By every wind that nods the mountain pine.

1. A dropping or bending forward of the upper part or top of anything.

   Like a drunken sailor on a mast, Ready with every nod to tumble down.

2. 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; as, a nod of approval.

   A look or a nod only ought to correct them [the children] when they do amiss.

   Nations obey my word and wait my nod.