1. A shape that curves or bends inward
   - concave shape, concavity, incurvation

Derived forms: incurvatures

Type of: solid

• Belgrade
• Belial
• belie
• belief
• believability
• believable
• believably
• believe
• believe in
• believer
• believing
• believingly
• belike
• Belisarius
• Belisha beacon
• belittle
• belittled
• belittling
• belive
• Belize
• Belize dollar
• bell
• bell apple
• bell arch
• bell book