Cases of word usage

1) to mend (a hole in) (something) by sewing over it (darn)

2) a lever on a bicycle, sewing machine etc worked by the foot or feet (pedal)

3) a woman who makes a living by sewing clothes etc (seamstress)

4) to join, make, (things) using a needle and thread; to make (clothing) by sewing (sew)

5) (a length of) cotton, silk, wool etc, especially for use in sewing and weaving; something long and thin like a thread; a line of thought or action (connecting parts of a story etc); the spiral ridge round a screw or bolt; to pass a thread through the eye of (a needle) (thread)