When you nod, shake your head up and down as if you were signaling approval. If you want to say “yes” without saying a single word, you just have to nod. These examples are automatically selected from different online message sources to reflect the common use of the word “Nod.” The opinions expressed in the examples do not reflect the views of Merriam-Webster or its publishers. Send us comments. There is a nod if you agree with someone by lifting them and lowering their chin, and then there is a nod – if you are so drowsy you close your eyes and your head falls down. You can even say that in this case, you can “get out of democracy.” If you know someone good enough to turn it on when you pass, but not well enough to stop and chat, you can call that person “an acquaintance who nods.” English Language Nod Learning Definition (Entry 2 of 2) Medium-English nodden; perhaps similar to the ancient German hnotin to shake the 14th century, in the meaning defined in the intransmancient sense 1.