piggyback

باللغة العربية: مَحْمُول عَلى الظَّهْر، مُتَرابِط

1. On somebody's back or shoulders. · give someone a piggyback ride
2. Pertaining to transportation of goods where one transportation unit is carried on the back of something else. For example, a truck on a train.
3. Attached or appended to something larger or more important. · piggyback legislation