jacob's ladder Meaning, Definition & Usage

  1. noun pinnate-leaved European perennial having bright blue or white flowers
    Polemonium caeruleum; Greek valerian; Polymonium caeruleum van-bruntiae; Polemonium van-bruntiae; charity.
  2. noun (nautical) a hanging ladder of ropes or chains supporting wooden or metal rungs or steps
    jack ladder; pilot ladder.

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