| PO | mark with diacritics, as of letter |
|---|---|
| PO | mark Hebrew words with diacritics |
| PO | sail close to the wind |
| PO | direct the course |
| PO | be oriented |
| PO | a score in American football made on a try for points after a touchdown |
| PO | (British) the control of traffic by a policeman stationed at an intersection |
| PO | a very short period of time |
| PO | lace worked with a needle in a buttonhole stitch on a paper pattern |
| PO | a soldier who goes ahead of a patrol |
| PO | someone who is the forefront of an important enterprise |
| PO | a mutation due to an intramolecular reorganization of a gene |