1. Of or relating to or formed by trees
   "an arborous roof"
   - arborical, arboreal, arborary

See also: arbor [N. Amer, Austral], tree

• 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
• prison cell