piggyback Meaning, Definition & Usage

1. noun the act of carrying something piggyback
   
2. verb ride on someone's shoulders or back
   
3. verb haul truck trailers loaded with commodities on railroad cars
   
4. verb haul by railroad car
   
5. verb support on the back and shoulders
   
   • He piggybacked her child so she could see the show
6. verb bring into alignment with
   
   • an amendment to piggyback the current law
7. adverb on a railroad flatcar
   pickaback; pig-a-back.
   
   • the trailer rode piggyback across the country
8. adverb on the back or shoulder or astraddle on the hip
   pickaback; pig-a-back.
   
   • she carried her child piggyback

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