\kləˈvas\ The Crevasse made by Breast that resides on the underside. The Tuck of the boob against the chest. Sometimes accompanied by cleavage.
Ex1. As I lay next to her, with my head on her lap, the words from her mouth fade into the background as I get lost in her cleavasse.
Ex2. " Up skirt, no man! its up Shirt. the only way to capture the perfect cleavasse"
Ex3. To Cup a breast place the edge of your hand firmly in the cleavasse and lift gently.