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Jacob's ladder noun

  • A flowering plant of the genus Polemonium.
  • (nautical) A rope ladder from the ratline to the upper mast.
  • A toy consisting of blocks of wood, held together by strings or ribbons, that appear to cascade downward as they flip over.
  • A high-voltage electrical device, often used as a visual effect in old movies, which has a pair of vertical electrodes that form an arc between them starting at the bottom, rising to the top, then repeating.
 échelle de corde

Jacob's ladder

polémoine
Jacob's-ladder
polémoine bleue
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