piggybacking

English

Etymology 1

Verb

piggybacking

1. present participle and gerund of piggyback

Etymology 2

From piggyback +‎ -ing.

Noun

piggybacking (uncountable)

1. The practice of carrying something piggyback.
   • 1960 November, David Morgan, “"Piggyback"—U.S. success story”, in Trains Illustrated, page 684:

     Throughout piggybacking's growth the railroads have demonstrated in all areas of the U.S. an ability to equal or exceed highway schedules.