ˌMad ˈHatter, the BrE AmE
a character in the book Alice's Adventures in Wonderland (1865) by Lewis ↑ Carroll . Alice goes to the Mad Hatter's ↑ tea party where no one eats or drinks anything, the Mad Hatter and the ↑ March Hare talk nonsense, and the ↑ dormouse keeps falling asleep. ⇨ ↑ Alice in Wonderland