cleavage

/ˈkliːvɪdʒ/
noun
  1. A division or split between two groups or things.
    • The debate revealed a deep cleavage in public opinion.
    • A cleavage formed in the organization between older and newer members.
    • There was a clear cleavage between the two political parties on the issue.
  2. The way a mineral or rock splits along natural planes.
    • Geologists study the cleavage of rocks to understand their structure.
    • This mineral has a distinct cleavage that makes it easy to break.
    • The diamond shows perfect cleavage in four directions.
  3. The hollow between a woman's breasts, especially as revealed by clothing.
    • Some people consider visible cleavage inappropriate for formal events.
    • She wore a dress that showed a modest amount of cleavage.
    • The actress's cleavage was visible in the low-cut gown.
What does "cleavage" mean? | whatsthatwordmean | whatsthatwordmean