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pr>(&unr_;), n. [ Gr. &unr_;; &unr_; extreme + &unr_; order, line, verse. ] 1. A composition, usually in verse, in which the first or the last letters of the lines, or certain other letters, taken in order, form a name, word, phrase, or motto. [ 1913 Webster ]

2. A Hebrew poem in which the lines or stanzas begin with the letters of the alphabet in regular order (as Psalm cxix.). See Abecedarian. [ 1913 Webster ]

Double acrostic, a species of enigma, in which words are to be guessed whose initial and final letters form other words. [ 1913 Webster ]