definition of
cleavage

[1] #1 cleavage n. the state of being split or cleft; "there was a cleavage between the liberal and conservative members". wn

[2] #2 cleavage n. the breaking of a chemical bond in a molecule resulting in smaller molecules. wn

[3] #3 cleavage n. [segmentation] (embryology) the repeated division of a fertilised ovum. wn

[4] #4 cleavage n. the line formed by a groove between two parts (especially the separation between a woman's breasts). wn

[5] #5 cleavage n. the act of cleaving or splitting. wn