abecedarius
/ˌeɪbiːsiːˈdɛriəs/
noun
- A poem or other text in which the lines or stanzas begin with the letters of the alphabet in order.
- Her abecedarius about animals was a fun way to teach the alphabet.
- Medieval poets sometimes composed abecedarii as religious exercises.
- The children wrote an abecedarius using each letter of the alphabet to start a line.