What does the word acrostic mean?

Usage examples for acrostic

  1. To Southey he writes about this time, I have gone lately into the acrostic line. – Charles Lamb by Barry Cornwall
  2. As both Allison and Kitty had real talent for drawing, the girls who saw the pages they decorated were moved to envy; and when Betty added an acrostic on the name Magnolia, nobody had a word of ridicule for the little Album of the Heart, that was serving two generations as a storehouse of sentiment. – The Little Colonel at Boarding-School by Annie Fellows Johnston
  3. The crew are guessing at an acrostic, and occasionally they get a glimmering of it. – Literary Lapses by Stephen Leacock