A-crŏs'tic, n.
n. [Gr. ἀκρόστιχον, from ἄκρος, extreme, and στίχος, order, line, verse.]
Sense 1. A composition, usually in verse, in which the first or the last letters of the lines, in their order, or of words, one in each line, form a name or sentence.
Sense 2. (Poetry.) A Hebrew poem in which the lines or stanzas begin with the letters of the alphabet in regular order, as psalm 119. See ABECEDARIAN.