The Collaborative International Dictionary of English v.0.48:
Sorex \So"rex\, n. [L., a shrew.] (Zool.) A genus of small Insectivora, including the common shrews. [1913 Webster]WordNet (r) 3.0 (2006):
Sorex n 1: type genus of the family Soricidae: shrews [syn: Sorex, genus Sorex]