Definition of "ponytail"

ponytail

/ˈpoʊniˌteɪl/

noun
plural ponytails
1. A hairstyle where the hair is pulled back and tied into a single "tail" which hangs down behind the head.
  Quotations
  The physician should evaluate for a history of tight ponytails, buns, chignons, braids, twists, weaves, cornrows, dreadlocks, sisterlocks, and hair wefts in addition to the usage of religious hair coverings.
  2021, Becky S. Li, Howard I. Maibach, Ethnic Skin and Hair and Other Cultural Considerations, page 154
verb
third-person singular simple present ponytails, present participle ponytailing, simple past and past participle ponytailed
1. (transitive) To form (the hair) into a ponytail.
  Quotations
  “Don't mention it,” she said, ponytailing her hair and then sockbunning it with amazing speed.
  2017, A. W. Hartoin, Brain Trust