1Britically informal in general agreement and without discussion. A nod is a gesture by which the head is tilted in arcs of high and alternating descent along the sagittal plane. In many cultures, it is used most often, but not in general, to indicate conformity, acceptance or recognition. Different cultures attribute different meanings to the gesture. Acquiescence to display the “yes” vote is widespread and appears in many different cultural and linguistic groups. Areas where the acquiescence head is generally of this importance are the Indian subcontinent (note that the head bubble is also consistent), the Middle East, Southeast Asia, most of Europe (see below), South America and North America. The nod can also be used as a sign of recognition in some areas, or to show respect. An insult can be inferred if it is not returned in kind. acquiesce to average English; Perhaps a bit like the German hnot`n especially in Greece and Cyprus, the only nod that shows “no” is almost always combined with a simultaneous increase in eyebrows and, more often than not, with a slight (or complete) roll-up of the eyes. There is also a sound that sometimes accompanies the whole gesture, called “A”. This sound has a strong resemblance, but it is not identical to the sound of British Tutting. The use of “A” is optional and reserved only for the strong emphasis on the “no.” The acquiescence head is also a symptom of nick disease, a disease still inexplicable.
It mainly concerns children under the age of 15 and was first documented in Tanzania in 1962.  The 14th century, in the meaning intransvient 1 An early glimpse of the head and other gestures was the expression of emotions in Man and Animals, written by Charles Darwin in 1872. Darwin wrote to missionaries in many parts of the world asking for information about local gestures and concluded that the “yes” was common to many different groups. Late middle English (verb): perhaps of flat-German origin; Comparisons with the German medium nottenten “move, shake”. The Nostunon dates from the mid-16th century. I was expecting an argument, but she just nodded and went out. 2 No object Drop your head forward when it is drowsy or asleep. “They`re having fun,” she says, nodding to the kids on the beach. Is used to convey the understanding that a reference or proposal can be understood or understood without further elaborating or explanation. 3 exchange between alertness and drowsiness due to heroin use. She nodded to the waiter so he could bring the cake.
There are different theories as to why the head head is so often used to indicate acceptance. A simple theory is that it is a form of reverence, suggesting that you are willing to accept what another person says or asks for. [Citation required] It has also been said that babies, when they are hungry, look for milk by moving their heads vertically, but refuse milk by turning their heads side by side. The acquiescence head can also be used as a form of non-verbal greeting or recognition of the presence of another; In this context, it is essentially a particularly light form of inclination, with just enough exercise to show a degree of respect without additional formalities. These include a traditional downward acquiescence or a nod (rather informal and usually used between friends or subordinates).