What does alphabet mean?
The definition of alphabet
Al”pha*bet, n.
Etym: [L. alphabetum, fr. Gr. aleph and beth: cf. F. alphabet.]

1 The letters of a language arranged in the customary order; the series of letters or signs which form the elements of written language.
2 The simplest rudiments; elements. The very alphabet of our law. Macaulay. Deaf and dumb alphabet. See Dactylology.

Al”pha*bet, v. t.
To designate by the letters of the alphabet; to arrange alphabetically. [R.]