caaba Meaning, Definition & Usage

  1. noun (Islam) a black stone building in Mecca that is shaped like a cube and that is the most sacred Muslim pilgrim shrine; believed to have been given by Gabriel to Abraham; Muslims turn in its direction when praying
    Kaaba.

WordNet

Ca*a"ba noun
Etymology
Ar. ka'ban, let, a square building, fr. ka'b cube
Definitions
  1. The small and nearly cubical stone building, toward which all Mohammedans must pray. Written also kaaba. ✍ The Caaba is situated in Mecca, a city of Arabia, and contains a famous black stone said to have been brought from heaven. Before the time of Mohammed, the Caaba was an idolatrous temple, but it has since been the chief sanctuary and object of pilgrimage of the Mohammedan world.

Webster 1913