stitchwort Syllabification: (stitch·wort)Pronunciation: /ˈstiCHwərt, -ˌwôrt/Definition of stitchwort noun a straggling plant of the pink family with a slender stem and white starry flowers. It was formerly thought to cure a stitch in the side. Genus Stellaria, family Caryophyllaceae: several species, in particular greater stitchwort (S. holostea) and lesser stitchwort (S. graminea) stitchwort in other Oxford dictionaries Definition of stitchwort in the British & World English dictionary