concavity Synonyms

incurvature concaveness incurvation concave shape ogee pit indentations recess recurvation recurvity notch intaglio indention indentation indent incurvity imprint impression rondure SAG scoop sinuousness sinkage sinkhole strip mine punch bowl fingerprint valley trough trajectory submergence socket sinus sinuosity sink ichnolite ichnite crater convexity contour concavities concave concameration cavity cave bowl bend basin arcuation arch