THREAD [C] › a short line of thread that is sewn through a piece of material WOUND [C] › one of the small pieces of thread that is used to sew together a cut: She needed 50 stitches in her head. WOOL [C] › one of the small circles of wool that you make when you are knitting (= making something from wool) PAIN [no plural] › a sudden pain that you get in the side of your body when you exercise too much: to get a stitch in stitches › laughing a lot: He had the whole audience in stitches.