early 15c., possibly from Anglo-French *dormouse "tending to be dormant" (from stem of dormir "to sleep," see dormer), with the second element mistaken for mouse; or perhaps it is from a Middle English dialectal compound of mouse and Middle French dormir. The rodent is inactive in winter. French dormeuse, fem. of dormeur "sleeper" is attested only from 17c.
1. The dormouse is a shy, nocturnal creature.
2. They were trying to put the dormouse into the teapot.
3. You've no right to grow here,'said the Dormouse.
4. Next, the dormouse passes a toad with big, golden eyes.
5. He moved on as he spoke dormouse, which still seemed asleep, followed him.