Cleavage
Cleavage may refer to:

Science
Cleavage (crystal), the way in which a crystal or mineral tends to split
Cleavage (embryo), the division of cells in an early embryo
Cleavage (geology), foliation of rock perpendicular to stress, a result of ductile deformation
Cleave (fiber), a controlled break in an optical fiber
Bond cleavage, in chemistry and biochemistry, the splitting of chemical bonds
Cleavage factor, a protein complex that helps cleave of a newly synthesized pre-messenger RNA (mRNA)
Cleavage furrow, in cell biology, the indentation that begins the process of cleavage, by which animal cells undergo cytokinesis
Proteolysis, also called peptide cleavage, the breaking down of proteins

Anatomy
Cleavage (breasts), the partial exposure of the gap between a woman's breasts
Buttock cleavage, the minor exposure of the buttocks and the gluteal cleft between them
Toe cleavage, the partial exposure of toes in shoes
Teeth cleavage or tooth cleavage, slang for diastema, the gap between a person's two front teeth

Other uses
Cleavage (politics), the divisions of society that cause people to vote differently

See also
Cleave (disambiguation)
Cleaver (disambiguation)
All pages with titles beginning with Cleavage 
All pages with titles containing Cleavage