TZETZE (or TSETSE) FLY, n. An African insect ("Glossina morsitans") whose bite is commonly regarded as nature's most efficacious remedy for insomnia, though some patients prefer that of the American novelist ("Mendax interminabilis").
Ambrose BierceART, n. This word has no definition. Its origin is related by the ingenious Father Gassalasca Jape as "One day a wag - what would the wretch be at? Shifted a letter of the cipher RAT, And said it was a god's name! . . ."
Ambrose Bierce