|
|
 |
|
|
|
|
| blue box (plural blue box·es) |
noun |
|
| Definition: |
| |
1. illegal telephone device: an illegal device formerly used to defraud pay telephones by reproducing tones that would permit free calls
|
2. Canada box for recyclable material: a box made of blue plastic, used in households to hold recyclable waste
|
|
|
|
