Read the dictionary definition of cleavage. All definitions for this word.
1. the act of cleaving or splitting
2. the line formed by a groove between two parts (especially the separation between a woman's breasts)
3. (embryology) the repeated division of a fertilised ovum
4. the breaking of a chemical bond in a molecule resulting in smaller molecules
5. the state of being split or cleft
1. there was a cleavage between the liberal and conservative members
