Jacob's ladder

Short definition from Wiktionary

Noun

1. 1
   A ladder leading to heaven.
2. 2
   A flowering plant of the genus Polemonium.
3. 3
   A rope ladder from the ratline to the upper mast.
4. 4
   A toy consisting of blocks of wood, held together by strings or ribbons, that appear to cascade downward as they flip over.
5. 5
   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.
6. 6
   A noncompact surface resembling a ladder made of handlebodies.
7. 7
   A high-voltage electrical device, often 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.
8. 8
   A serving of short ribs.
9. 9
   A ladder or run in a pair of tights.
10. 10
    Alternative letter-case form of Jacob's ladder.
11. 11
    Alternative form of Jacob's ladder.