Definition: Meaning of, Mad Hatter, the in English to English dictionary.
Pronunciation:/ ðə;ðɪ;ðiː /
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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.