Definitions

1. noun

A knot or tuft of hair at the top of the head, especially a style in which the hair is gathered into a knot or bun at the crown.

“She styled her hair with a fashionable topknot for the wedding.”

2. verb

To style or arrange the hair in a topknot or similar fashion.

“The hairdresser learned to topknot the bride’s hair in just a few minutes.”