American English

Definition of cleavage noun from the Oxford Advanced American Dictionary



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  1. 1[countable, uncountable] the space between a woman's breasts that can be seen above a shirt or dress that does not completely cover them
  2. 2[countable] (formal) a difference or division between people or groups a deep cleavage between rich and poor in society
See the Oxford Advanced Learner's Dictionary entry: cleavage