- A four-stringed instrument of the violin family, pitched lower than the viola but higher than the double bass.大提琴：一种提琴类四弦乐器，音调比中提琴低但比低音提琴高
- Short for violoncello violoncello的简写
cello
- Cellophane.赛璐玢（玻璃纸，胶膜）
- O'Hara
- O'Hara
- O Henry
- ohia lehua
- O'Higgins
- Ohio
- Ohio buckeye
- Ohio Dominican College
- Ohio Northern University
- Ohio River
- Ohio State University
- Ohio State University Agricultural Technical Inst.
- Ohio State University-Lima
- Ohio State University-Lima
- Ohio State University-Mansfield
- Ohio State University-Mansfield
- Ohio State University-Marion
- Ohio State University-Marion
- Ohio State University-Newark
- Ohio State University-Newark
- Ohio University
- Ohio University-Athens
- Ohio University-Chillicothe
- Ohio University-Chillicothe
- Ohio University-Eastern