1. Relating to bone or to the skeleton 
2. Composed of or containing bone
   - osseous, bony

See also: bone

• Ulvales
• Ulvophyceae
• Ulysses
• Ulysses Grant
• Ulysses S. Grant
• Ulysses Simpson Grant
• um
• Uma
• Uma notata
• umami
• Umar al-Mukhtar Forces
• Umayyad
• white wine
• white wolf
• white woman
• white wood aster
• white yam
• white zinnia
• white-alder family
• white-bellied swallow
• white-berry yew
• white-blotched
• white-breasted nuthatch
• white-chinned petrel
• white-coat hypertension