1. Convex on one side and concave on the other with the convexity being greater than the concavity

See also: bulging, convex

• Aramaic script
• arame
• Aramean
• Aramus
• Aramus guarauna
• Aramus pictus
• Aran Islands
• Aranea
• Aranea diademata
• Araneae
• Araneida
• araneidal
• araneidan
• Araneus
• Araneus cavaticus
• Aranyaka
• Arapaho
• Arapahoe
• Ararat
• arariba
• araroba
• Aras
• Charles Joseph Clark
• Charles Kay Ogden
• Charles Kettering