1. Concave on one side and convex on the other with the concavity being greater than the convexity

See also: concave

• Grewia asiatica
• grey
• grey alder
• grey area
• grey birch
• grey catbird
• grey flounder
• grey fox
• Grey Friar
• grey goldenrod
• grey jay
• grey kingbird
• grey lemming
• grey market
• grey matter
• grey mullet
• grey partridge
• grey polypody
• grey poplar
• grey sage
• grey sea eagle
• grey skate
• grey snapper
• grey sole
• grey substance