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