Wiktionary
undercurves
n. (plural of undercurve English)
Usage examples of "undercurves".
More or less exactly halfway between the shadowed undercurves of her breasts and the second line of hair lay the puckered and babyish eyelid of the navel, itself the central point of the shallow convexity that now flattened out on to the hinges of the hips, where the skin was weak, and tender veins were disclosed .