The Collaborative International Dictionary of English v.0.48:
Saxifraga \Sax*if"ra*ga\, n. [L., saxifrage. See Saxifrage.] (Bot.) A genus of exogenous polypetalous plants, embracing about one hundred and eighty species. See Saxifrage. [1913 Webster]WordNet (r) 3.0 (2006):
Saxifraga n 1: type genus of the Saxifragaceae; large genus of usually perennial herbs of Arctic and cool regions of northern hemisphere: saxifrage [syn: Saxifraga, genus Saxifraga]