stalactite

/หˆstรฆlษ™ktaษชt/

IPA: /S T AO1 L AE0 K T AY0 T/

noun
  1. 1

    A secondary mineral deposit of calcium carbonate or another mineral, in shapes similar to icicles, that hangs from the roof of a cave.

Source: https://en.wiktionary.org/wiki/stalactite