A set of verses arranged so that the name of the subject occurs five times, the whole set of verses being divided into five different parts from top to bottom.
1872, Crack (pseud.), Whetstones for wits; or, Double acrostics
There are instances […] of pentacrostics, i.e., of acrostics where the required letters form five columns in the poem. An average specimen of these is the Latin acrostic in hexameter verse, prefixed to the first volume of Father Bluteau's Portuguese Dictionary, in praise of the author.
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