What is "pick up stitches"

n. stitch that were added to the row, during knitting. vb. (context idiomatic English) o add ("pick up") stitches to the knitting needle that were previously bound off, or that belong to the selvage, during the process of knitting or entrelac.

In knitting, picking up stitches means adding stitches to the knitting needle that were previously bound off or belong to the selvage.

Picking up stitches is commonly done in knitting garments, e.g. in knitting the collar or sleeves, and is essential for entrelac knitting.