1. A surveying instrument consisting of a spirit level and a sighting tube; used to measure the angle of inclination of a line from the observer to the target

Type of: surveyor's level

• yap
• yap away
• yappy
• yard
• yard donkey
• yard goods
• yard line
• yard marker
• yard measure
• yard sale
• yard-long bean
• yardage
• yardarm
• yardbird
• Yardbird Parker
• yarder
• yardgrass
• yardie
• yardman
• yardmaster
• yardstick
• yare
• yarmelke
• Yarmouth
• yarmulka