The Collaborative International Dictionary of English v.0.48:
Shrewmouse \Shrew"mouse`\, n. (Zool.) A shrew; especially, the erd shrew. [1913 Webster]WordNet (r) 3.0 (2006):
shrewmouse n 1: small mouselike mammal with a long snout; related to moles [syn: shrew, shrewmouse]