The DICT Development Group

  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.
     [1913 Webster]
  
     Burnet saxifrage, a European umbelliferous plant
        ({Pimpinella Saxifraga).
  
     Golden saxifrage, a low half-succulent herb
        ({Chrysosplenium oppositifolium) growing in rivulets in
        Europe; also, Chrysosplenium Americanum, common in the
        United States. See also under Golden.
  
     Meadow saxifrage, or Pepper saxifrage. See under
        Meadow.
        [1913 Webster]

  Chrysosplenium americanum
      n 1: aquatic herb with yellowish flowers; central and western
           United States [syn: water carpet, water mat,
           Chrysosplenium americanum]