Any of several rodents somewhat like the mouse, but larger.

【动】鼠。

One who deserts his party.

【英】叛党者；叛徒。

A small pad over which the hair is rolled.

【美】【口】发垫。

A contemptible person.

【俚】卑鄙的人。

In former.

【俚】告密者。

To desert one's party for one's own benefit.

叛党。

To catch rats.

捕鼠。