noun

• The act of cleaving or the state of being cleft.
• The hollow or separation between a woman's breasts, especially as revealed by a low neckline.
• (by extension) Any similar separation between two body parts, such as the buttocks or toes.
• (biology) The repeated division of a cell into daughter cells after mitosis.
• (chemistry) The splitting of a large molecule into smaller ones.
• (mineralogy) The tendency of a crystal to split along specific planes.
• (politics) The division of voters into voting blocs.