B1[I or T]to join two pieces of cloth together by putting thread through them with a needle: My grandmother taught me to sew.I made this skirt just by sewing two pieces of material together.He sewed the badge neatly onto his uniform.Knitting and sewingB1[T]to make a piece of clothing by joining pieces of cloth together by putting thread through them with a needle: She sews all her children's clothes.Knitting and sewing›[I or T]to use a needle and thread to join up the edges of a cut in the skin or other part of the body: The muscle layer needs to be sewn first.His finger was cut off when he caught it in a machine, but the surgeon was able to sew it back on.Surgery