piggyback

1. (transitive) To carry (someone) on the back or shoulders.transitive

2. (transitive) To ride on someone's back or shoulders.transitive

3. (ambitransitive) To attach or append something to another (usually larger) object or event.Examples: "They tried to piggyback that proposal on the rivers and harbors bill."; "The popular host can’t claim credit for the trade, though. The idea wasn’t his. He piggybacked off another successful investor who had a history of picking winners."; "Allen Gregory DeLongpre: Pat, I gotta tell you, you did a lot of things right with this lunch―kudos. You got back quickly, you showed initiative, and, best of all, you left plenty of room for improvement. Piggybacking on that last part, the ugly business of the critique."ambitransitive

4. (transitive, Internet) To obtain a wireless internet connection by bringing one's own computer within the range of another's wireless connection without that subscriber's permission or knowledge.Internettransitive

5. (transitive, Internet) To utilize "last-mile" wiring rented from a larger owner ISP by a smaller ISP.Internettransitive

6. (transitive) To transport (a lorry/truck) on a flatbed railway wagon.Examples: "American railroads are not permitted to operate long-haul road routes, but the I.C.C. decision of 1954 did permit them to solicit trailer business in, say, New York for Chicago provided the trailer was piggybacked in between."transitive