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

• Hordeum jubatum
• Hordeum murinum
• Hordeum pusillum
• Hordeum vulgare
• horehound
• horizon
• horizontal
• horizontal bar
• horizontal combination
• horizontal integration
• horizontal parallax
• horizontal section
• horizontal stabiliser
• horizontal stabilizer
• horizontal surface
• horizontal tail
• horizontality
• horizontally
• hormesis
• hormogonium
• hormonal
• hormone
• hormone-replacement therapy
• horn
• horn button