1. Of or relating to or having a fenestra 
2. Of or relating to windows

See also: fenestra, window

• yolk sac
• yolked
• yolky
• yom
• Yom Kippur
• Yom Kippur War
• yon
• yond
• yonder
• yoni
• yonks
• yoo-hoo
• yoof
• yore
• York
• yorker
• Yorkshire
• Yorkshire and the Humber
• Yorkshire fog
• Yorkshire pudding
• Yorkshire terrier
• Yorkshireman
• Yorkshirewoman
• Yorktown
• Yoruba