Definition of acrostical in English:

acrostical

adjective

  • Of the nature of, consisting of, or in the form of an acrostic.

Origin

Early 17th century; earliest use found in Thomas Gataker (1574–1654), Church of England clergyman and scholar. From acrostic or its etymon post-classical Latin acrostichis + -al.

Pronunciation:

acrostical

/əˈkrɒstɪkl/