1. stalactite

noun. a cylinder of calcium carbonate hanging from the roof of a limestone cave.


  • cylinder
  • dripstone


  • σταλακτός (Ancient Greek (to 1453))

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Example sentences of the word stalactite

1. Adjective
The 14-acre cave includes a unique formation in which a stalagmite and a stalactite meet to form a huge column, nicknamed Goliath.

2. Noun, singular or mass
Options include the zip lines, a swim in an underground stalactite river, a ride on amphibious vehicles that go underground and through the jungle, or a float on the underground river on a raft.