Jacob's ladder, n.
(nautical) a hanging ladder of ropes or chains supporting wooden or metal rungs or steps
<noun.artifact>
Jacob's ladder jack ladder pilot ladder
pinnate-leaved European perennial having bright blue or white flowers
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Greek valerian Jacob's ladder Polemonium caeruleum Polemonium van-bruntiae Polymonium caeruleum van-bruntiae charity
semantic pointers
hypernym