shrew

US /ʃruː/
UK /ʃruː/
"shrew" picture
1.

a small, mouse-like mammal with a long snout, tiny eyes, and short ears, typically living in woodlands and feeding on insects.

:
The tiny shrew scurried through the undergrowth.
A shrew's metabolism is incredibly fast.
2.

a bad-tempered or aggressively assertive woman.

:
She was known as a shrew in the village, always complaining.
He married a fiery shrew who kept him on his toes.