The Collaborative International Dictionary
Pentacrostic
Pentacrostic \Pen`ta*cros"tic\, n. [Penta- + acrostic.] A set of verses so disposed that the name forming the subject of the acrostic occurs five times -- the whole set of verses being divided into five different parts from top to bottom.
Wiktionary
pentacrostic
n. 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.