lockstitch
/ˈlɒkstɪtʃ/Definitions
1. noun
A type of stitch used in sewing, characterized by an interlocking loop of thread.
“The seamstress chose to use a lockstitch for the delicate wedding dress.”
2. verb
To sew or join two things together using a lockstitch.
“She began to lockstitch the two pieces of fabric together.”