concave figure

“Yet by the time of the flapper in the 1920s, she has an almost concave figure, very flat-chested. So you go from having a mono-bosom to having no bosom at all.”

The buckler was of an oblong and concave figure, four feet in length, and two and a half in breadth, framed of a light wood, covered with a bull's hide, and strongly guarded with plates of brass.