Jacob's ladder

Definition from Wiktionary, the free dictionary
Jump to navigation Jump to search


 Jacob's ladder on Wikipedia
Creeping Jacob’s ladder (flowering plant), Polemonium reptans.
Jacob's Ladder (ascending electrical arc)


After the Biblical Ladder of Jacob.


Jacob's ladder (plural Jacob's ladders)

  1. A flowering plant of the genus Polemonium.
  2. (nautical) A vertical ladder from the ratline to the upper masts.
  3. A toy consisting of blocks of wood, held together by strings or ribbons, that appear to cascade downward as they flip over.
  4. A pocketknife consisting of two handle segments joined by a pivot, with a blade connected by a second pivot to the end of one handle segment.
  5. (mathematics) A noncompact surface resembling a ladder made of handlebodies.
  6. A high-voltage electrical device used as a visual effect in old movies which has a pair of vertical electrodes that form an arc between them starting at the bottom, rising to the top, then repeating.
  7. (Britain) A serving of short ribs.