Jacobs ladder

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Ja′cob's lad′der

1. a ladder seen by Jacob in a dream, reaching from the earth to heaven. Gen. 28:12.
2. Naut. a hanging ladder having ropes or chains supporting rungs or steps.


any plant of the genus Polemonium, of the phlox family, with cup-shaped blue flowers and paired leaflets in a ladderlike arrangement.
References in classic literature ?
Jacob's-ladder leading to the vaudeville stage, with angels ascending
But it is the luminous stairwell and strange Jacob's-ladder that is the focus of the scheme.