noun🔗ShareThe downward slope of a hill; the downward slope of a curve."The children rolled down the grassy declivity of the small hill in the park. "geographygeologyChat with AIVocabulary GamePractice Reading
noun🔗ShareA downward bend in a path."The cyclist struggled to maintain speed as the path turned into a steep declivity. "geographygeologywaydirectionnatureChat with AIVocabulary GamePractice Reading
noun🔗ShareAn inward curve of the exoskeleton of an insect, such as between body segments; a segment of an insect's body where the exoskeleton curves inward."The entomologist pointed out the distinct declivity between the beetle's thorax and abdomen, highlighting how the curve allowed for greater flexibility. "anatomyinsectbiologypartChat with AIVocabulary GamePractice Reading