topstitch

/ˈtɑpˌstɪtʃ/
verb
  1. To sew a line of stitches on the outside of a garment or fabric, usually close to a seam or edge, for decoration or reinforcement.
    • You can topstitch along the hem to keep it flat.
    • The tailor will topstitch the pockets for extra durability.
    • She decided to topstitch the collar to give it a professional finish.
noun
  1. A line of stitching sewn on the outside of a garment or fabric, often for decoration or reinforcement.
    • A contrasting topstitch can add a stylish detail to a dress.
    • The topstitch on the jeans was done in bright orange thread.
    • The jacket had a neat topstitch around the lapels.