1. on the back and shoulders of another person

1. carried on someone’s back and shoulders
2. using or depending on something that already exists

1. to carry someone on one’s back and shoulders
2. to use or build upon something that already exists

1. a ride on someone’s back and shoulders

Examples

• The father carried his tired daughter piggyback through the park.
• She gave her little brother a piggyback ride around the yard.
• The new software will piggyback on the existing network infrastructure.
• They decided to piggyback their meeting onto the conference already scheduled.
• The child asked for a piggyback when she got tired of walking.
• The company’s expansion plans piggyback on their recent success.
• He offered to piggyback his son to see over the crowd.
• The piggyback system allows multiple users to share one connection.