(p. pr. & vb. n.) of Retreat.

boat-shaped boatlike bowl-shaped bowllike cavelike cavernous concave concaved craterlike cup-shaped cupped cymbiform declining diminishing dish-shaped dished dishing dishlike dwindling dying ebbing fading funnel-breasted funnel-chested funnel-shaped hollow hollowed incurved incurving incurvous infundibular infundibuliform navicular naviform receding retiring saucer-shaped scaphoid scyphate shrinking sinking spoonlike sunk sunken waning