Term: mouse: any of numerous small rodents typically resembling diminutive rats having pointed snouts and small ears on elongated bodies with slender usually hairless tails
Broader: mammal: any warm-blooded vertebrate having the skin more or less covered with hair; young are born alive except for the small subclass of monotremes and nourished with milk | Unrelated: pull chain: a chain (usually with a handle at the end) that is pulled in order to operate some mechanism (e.g. to flush a toilet)