1. A very well-known public figure 
2. A brand name that is well known to the great majority of households

Derived forms: household names

• Prionace
• Prionace glauca
• Prionotus
• Prionotus carolinus
• prior
• priorate
• prioress
• prioritise
• prioritize
• priority
• priority processing
• priorship
• priory
• Priscoan
• Priscoan aeon
• Priscoan eon
• prise
• prism
• prism spectroscope
• prismatic
• prismatically
• prismatoid
• prismoid
• prison
• prison camp