So"rus (?), n. (a) In parasitic fungi, any mass of spores bursting through the epidermis of a host plant. (b) In lichens, a heap of soredia on the thallus.
SOS. The letters signified by the signal ( . . . --- . . . ) prescribed by the International Radiotelegraphic Convention of 1912 for use by ships in distress.
||Sou`bise" (s`bz"), n. 1. [F.] A sauce made of white onions and melted butter mixed with velouté sauce.