Jacob's ladder noun phr. [dʒeɪkǝbz 'ladǝ] M18.
[W. allus. to Jacob's dream of a ladder reaching to heaven, as described in Genesis 28:12.]
1. A common garden plant and rare British native of limestone scree, Polemonium caeruleum (family Polemoniaceae), with corymbs of blue (or white) flowers, so called from its long pinnate leaves with closely spaced leaflets. M18.

2. Nautical. A rope or chain ladder. M19.

3. An elevator consisting of a series of bucket-shaped receptacles attached to an endless chain. M19.

[TahlilGaran] English Dictionary ▲