Middle English nodded; Perhaps similar to the old German hnotōn to shake English learners Definition of the head (entry 2 of 2) These examples are automatically chosen from different sources of online messages to reflect the current use of the word “nod”. The opinions expressed in the examples do not give the opinion of Merriam-Webster or its publishers. Send us feedback. 14th century, in the meaning defined in the intranstive sense of the term 1. . . . .