A ponytail is a style of arranging hair that resembles the tail of a pony. It gets its name from its resemblance to the undocked tail of a horse or pony. A single ponytail is most commonly gathered at the center back of the head or the base of the neck. Depending on fashions, it may also be worn toward one side of the head (over one ear), or on the very top of the head (allowing the hair to fall down the back or one side of the head).
If the hair is divided into two symmetrical ponytails, they are bunches or pigtails. If the hanging section is plaited instead of left to fall free, it is called a braid or plait rather than a ponytail.
https://en.wikipedia.org/wiki/Ponytail
A chignon, pronounced "sheen-yon,” is a popular type of bun style. The word “chignon” comes from the French phrase “chignon du cou,” which means nape of the neck. Chignons are generally achieved by pinning the hair into a knot at the nape of the neck
https://en.wikipedia.org/wiki/Chignon_(hairstyle)
A chignon is a low bun that is created by twisting hair into a knot or a roll and pinning it at the nape of the neck. It is French word that is pronounced "sheen-yon,” and it comes from the French phrase chignon du cou, meaning nape of the neck.
A bun (also known as a Bobtail) is a type of hairstyle, typically worn by women, where the hair is pulled back from the face, twisted or plaited, and wrapped in a circular coil around itself, typically on the back of the head or neck. They can either be secured with a hairpiece, a hairnet and bobby pins.
https://en.wikipedia.org/wiki/Bun_(hairstyle)
braid
To interweave three or more strands, strips, or lengths of in a diagonally overlapping pattern: braided the rags into a strong rope.
To create (something) by such interweaving: braid a rug.
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