1. An imaginary straight line along which an observer looks
   - line of sight

Derived forms: lines of vision

Type of: line

• Avicennia officinalis
• Avicenniaceae
• aviculture
• avid
• avidity
• avidly
• avidness
• avifauna
• avifaunal
• avifaunistic
• Avignon
• avionic
• avionics
• avirulent
• aviso
• avitaminosis
• avitaminotic
• avo
• avocado
• avocado pear
• avocado tree
• avocation
• avocational
• avocet
• Avogadro