† burst-wortObs. [f. burst n. + wort.] An old name for Herniaria glabra, a herb formerly thought helpful for curing ruptures. 1597Gerard Herbal clxiii. 455 [Herniaria] is called..in English Rupture woort, and Burstwoort.1661Lovell Hist.Anim. & Min. 448 Leaves, of burst-wort, marsh-mallows.