1. Performing an essential function in the living body
   - vital

See also: essential

• 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
• yarmulke
• yarn
• yarn-dye
• yarn-spinning
• yarrow
• yashmac