- A stitch in knitting that produces a twisted, ropelike design.缆索织法：编织中的一种针法，可编织出螺旋式的，象绳子一样的图案
- Ordovician
- Ordovicians
- ordure
- ordures
- Ordzhonikidze
- ore
- Ore
- Ore.
- oread
- oreads
- oregano
- Oregon
- Oregon grape
- Oregon Health Sciences University
- Oregon holly grape
- Oregon Institute of Technology
- Oregon myrtle
- Oregon pine
- Oregon Polytechnic Institute
- Oregon State University
- Oregon Trail
- oreide
- oreide
- Orekhovo-Zuyevo
- Orel