Other forms: ponytails
A ponytail is hair gathered and tied at the back of the head. It hangs and swings exactly the way the name suggests.
It is the most practical way to keep long hair out of the way, which is why it belongs to sport, cooking and hospitals as much as to fashion. A high ponytail sits on the crown and a low one at the nape. The word is one word. English also has the pigtail, which is plaited, and bunches, which are two ponytails at the sides.
1nounponytailA hairstyle in which the hair is gathered and tied at the back.
“She pulled her hair back into a ponytail.”
From pony + tail.
Etymology from Wiktionary, CC BY-SA