For another meaning, see Acrostic .
An acrostic (from the late Greek akróstichon, from ákros, "top", and stÃchos, "verse") is a poem or other writing in an alphabetic script, in which the first letter, syllable or word of each line, paragraph or other recurring feature in the text spells out another message. A form of constrained writing, an acrostic can be used as a mnemonic device to aide memory retrieval.
Overview
The word acrostic was first applied to the prophecies of the Erythraean Sibyl, which were written on leaves and arranged so that the initial letters of the leaves always formed a word. This technique was later used to ingenious effect by Vladimir Nabokov in his story The Vane Sisters.Acrostics may simply spell out the letters of the alphabet in order; these acrostics occur in the Lamentations of Jeremiah, and in certain of the Psalms of the Hebrew Bible. Two notable acrostic Psalms are the long Psalm 119, which typically is printed in subsections named after the let
Source:
http://en.wikipedia.org/wiki/Acrostic