|
|
 |
|
|
|
|
| Blue Pe·ter (plural Blue Pe·ters) |
noun |
|
| Definition: |
| |
ship's signal flag: a blue flag with a white square in the middle, used by ships to signal that they are ready to sail
|
| [Because the pattern on the flag represents P in the International Code of Symbols] |
|
|
|
