1. A ball that slides down a staff to show a fixed time; especially at an observatory

Derived forms: time-balls

Type of: ball, globe, orb

Part of: horologe, timekeeper, timepiece

Encyclopedia: Time-ball

• Prunus serotina
• Prunus serrulata
• Prunus sieboldii
• Prunus spinosa
• Prunus subcordata
• Prunus subhirtella
• Prunus susquehanae
• Prunus tenella
• Prunus triloba
• Prunus virginiana
• Prunus virginiana demissa
• prurience
• pruriency
• prurient
• pruriently
• pruriginous
• prurigo
• pruritus
• pruritus ani
• pruritus vulvae
• Prussia
• Prussian
• Prussian asparagus
• Prussian blue
• prussiate