1. A day celebrating political and economic unity among American countries
   - April 14

Type of: day

Part of: Apr, April

• sphericalness
• sphericity
• spherocyte
• spheroid
• spheroid joint
• spheroidal
• spherometer
• spherule
• spherulite
• spherulitic
• sphincter
• sphincter ani
• sphincter muscle
• sphingid
• Sphingidae
• sphingine
• sphinx
• sphinx moth
• sphragistics
• sphygmograph
• sphygmomanometer
• Sphyraena
• Sphyraena barracuda
• Sphyraenidae
• Sphyrapicus