Ja·cob's ladder
| \ ˈjā-kəbz-
\
\
Definition of Jacob's ladder
1
: any of a genus (Polemonium) of herbs of the phlox family that have pinnate leaves, a bell-shaped corolla, and a several-seeded capsule
especially
: a perennial herb (P. caeruleum) with bright blue or occasionally white flowers
2
: a marine ladder of rope or chain with wooden or iron rungs
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“Jacob's ladder.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Jacob%27s%20ladder. Accessed 22 May. 2022.
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The first known use of Jacob's ladder was in 1733
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