noun

• An adult castrated male of cattle (B. taurus), especially when used as a beast of burden.
• Any bovine animal (genus Bos). A neat, a beef.
• (astronomy) A Chinese constellation located near Capricorn, one of the 28 lunar mansions and part of the larger Black Turtle.
• The second of the 12-year cycle of animals which appear in the Chinese zodiac related to the Chinese calendar.
• A surname.
• Abbreviation of oxygen. [The chemical element (symbol O) with an atomic number of 8 and relative atomic mass of 15.9994. It is a colorless and odorless gas.]
• Clipping of Oxford. [A city in Oxfordshire, England, famous for its university.]