1. (informal) oneself, especially one's own interests 
2. (informal) the most important of a group of people

Derived forms: numero unos

• Scilla verna
• Scilly Islands
• scimitar
• Scincella
• scincid
• scincid lizard
• Scincidae
• Scincus
• Scindapsus
• Scindapsus aureus
• scintilla
• scintillant
• scintillate
• scintillating
• scintillating scotoma
• scintillation
• scintillation counter
• sciolism
• sciolist
• sciolistic
• scion
• Scipio
• Scipio Africanus
• Scipio Africanus Major
• Scipio the Elder