concavity Synonyms

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