pearlwort Syllabification: (pearl·wort)Pronunciation: /ˈpərlwərt, -ˌwôrt/Definition of pearlwort noun a small plant of the pink family, with inconspicuous white flowers, native to north temperate regions. Genus Sagina, family Caryophyllaceae pearlwort in other Oxford dictionaries Definition of pearlwort in the British & World English dictionary