| 释义 |
pig·gy·back I. adverb or pick·a·back also pig-a-back \ˈpig]ēˌbak, ]iˌb- sometimes -ik] or ]əˌb-\ Etymology: alteration of earlier a pick pack, a pickback, of unknown origin 1. : up on the back and shoulders < had her child with her … astraddle on her hip, or piggyback — John Bennett > < shows a flood victim being carried from his home piggyback — Altoona (Pa.) Mirror > 2. : on a railroad flatcar < the trailer rode piggyback from coast to coast > II. noun or pickaback also pig-a-back \“\ 1. : the act of carrying piggyback : the state of being carried piggyback < beg daddy for a piggyback — Parents' Magazine > 2. : the process of loading, transporting, and unloading truck trailers on railroad flatcars or cars of special design < estimate the cost of shipping by piggyback > III. adjective or pickaback also pig-a-back \“\ 1. : marked by being up on the shoulders and back < a child needs hugging, tussling, and piggyback rides — Benjamin Spock > 2. : of or relating to the hauling of truck trailers on railroad flatcars < piggyback service > < piggyback cars > IV. transitive verb 1. : to carry up on the shoulders and back < swum with them and piggybacked them and attended them — R.P.Smith > < piggybacking a crippled classmate to school for a whole year — Saturday Review > 2. : to haul (as a truck trailer) by railroad car intransitive verb : to haul truck trailers usually loaded with commodities on railroad cars < the railroad has been piggybacking for quite a number of years > V. adjective 1. : of, relating to, or being something (as a capsule or package) carried into space as an extra load by a vehicle (as a spacecraft or rocket) 2. : of, relating to, or being a radio or television commercial that is presented in addition to other commercials during one commercial break 3. : supplemental : additional • piggyback adverb VI. transitive verb : to set up or cause to function in conjunction with something larger or more important < school bus drivers' union is piggybacking its demand for recognition … on the teachers' strike — New Orleans (La.) Times-Picayune > intransitive verb : to function or be carried as if on the back of another |