shrew 
(shr)
(shr)n.
1. Any of various small, chiefly insectivorous mammals of the family Soricidae, resembling a mouse but having a long pointed snout and small eyes and ears. Also called shrewmouse.
2. A woman regarded as an ill-tempered scold or nag.
[Middle English shrewe, rascal, devil, evil creature, overbearing woman, from Old English scrēawa, shrewmouse.]