(n.) A nonplane curve formed by the intersection of the surface of an oblique cone with the surface of a sphere whose center is at the vertex of the cone.

boat-shaped boatlike bowl-shaped bowllike cavelike cavernous concave concaved cone-shaped coned conelike conic craterlike cup-shaped cupped cymbiform dish-shaped dished dishing dishlike funnel-breasted funnel-chested funnelform funnelled funnellike hollow hollowed incurved incurving incurvous infundibular infundibuliform navicular naviform retiring retreating saucer-shaped scaphoid scyphate spheroconic spoonlike sunk sunken