n. A composition in verse, in which the first, or the first and last, or certain other letters of the lines, taken in order, form a name, title, motto, the order of the alphabet, etc.n. A Hebrew poem in which the initial letters of the lines or stanzas were made to run over the letters of the alphabet in their order. Twelve of the Psalms are of this character, of which Psalm exix. is the best example.Pertaining to, of the nature of, or containing an acrostic: as, acrostic verses.Crossed; folded across; crossing.