Saxifrage Sax"i*frage (?; 48), n. [L. saxifraga, from saxifragus stone-breaking; saxum rock + frangere to break: cf. F. saxifrage. See Fracture, and cf. Sassafras, Saxon.] (Bot.) Any plant of the genus Saxifraga, mostly perennial herbs growing in crevices of rocks in mountainous regions. Burnet saxifrage, a European umbelliferous plant (Pimpinella Saxifraga). Golden saxifrage, a low half-succulent herb (Chrysosplenium oppositifolium) growing in rivulets in Europe; also, C. Americanum, common in the United States. See also under Golden. Meadow saxifrage, or Pepper saxifrage. See under Meadow., Burnet Bur"net, n. [OE. burnet burnet; also, brownish (the plant perh. being named from its color), fr. F. brunet, dim. of brun brown; cf. OF. brunete a sort of flower. See Brunette.] (Bot.) A genus of perennial herbs (Poterium); especially, P.Sanguisorba, the common, or garden, burnet. Burnet moth (Zo["o]l.), in England, a handsome moth (Zyg[ae]na filipendula), with crimson spots on the wings. Burnet saxifrage. (Bot.) See Saxifrage. Canadian burnet, a marsh plant (Poterium Canadensis). Great burnet, Wild burnet, Poterium (or Sanguisorba) oficinalis.