Collins Russian Dictionary 2nd Edition © HarperCollins Publishers 2000, 1997:
stitch [stɪtʃ] n (SEWING) стежо́к#; (KNITTING) петля́#; (MED) шов#
vt (sew) шить*(сшить*perf) (MED) (wound) зашива́ть (заши́ть*perf)
I have a stitch in my side у меня́ ко́лет в боку́
* is used to mark translations which have irregular inflections. The Russian-English side of the dictionary gives inflectional information.