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.

plural of cleavage

Having (a particular kind of) cleavage.

(chiefly Britain) the top of the buttocks showing when a pair of trousers are worn too low, or when the wearer is bending over.

(biology) The invagination of the cell membrane, at the equatorial plane of the cell, that characterizes the onset of cytokinesis in animal cells.

plural of cleavage furrow

Synonym of lingerie tape