1) Atop 2) Pickaback 1) Ball-hogging player 2) Bring into alignment with 3) Go along for the ride 4) Haul by railroad car 5) How some kids ride 6) Modern form of hauling 7) On a railroad flatcar 8) One way to ride 9) Ride 10) Riding position 11) To tailgate 
[transportation] Piggyback transportation refers to the transportation of goods where one transportation unit is carried on the back of something else. It is a specialised form of intermodal transportation and combined transport. == Etymology == Piggyback is a corruption of pickaback, which is likely a folk etymology alteration of pick pack...
To piggyback is to gain unauthorized access to a system by exploiting an authorized user's legitimate connection.
A rail transport mode where a loaded truck trailer is shipped on a rail flatcar.
The transporting of a loaded truck trailer on a flat railcar. See trailer on flat car. 
Multi-ply P.S. laminate consisting of a face stock; a layer of adhesive; a standard release liner; a layer of adhesive; and a standard release liner. This type of product provides a single label that can be applied to a substrate using the adhesive on the middle liner; then the top ply is removed and applied to a different substrate using the adhes...
(pig´e-bak″) supplementary or added on; used to refer to a type of intravenous infusion.
(1) A direct mail offer that is included free with another offer. (2) Two commercials which are shown back-to-back by the same sponsor.
A system which rides on the back of an existing system, e.g. a loan or mortgage or an advertising campaign
(nautical) to install anchors behind each other in tandem 
Moving a truck loaded with freight on a rail flatcar.
[adv] - on a railroad flatcar 2. [adv] - on the back or shoulder or astraddle on the hip 3. [v] - ride on someone`s shoulders or back 4. [v] - haul truck trailers loaded with commodities on railroad cars 5. [v] - haul by railroad car 6. [v] - carry on the back or shoulders 7. [v] - support on the back and shoulders
Terminology used to describe a truck trailer being transported on a railroad flatcar.
pickaback adverb on the back or shoulder or astraddle on the hip; `she carried her child piggyback`
The back-to-back scheduling of two or more brand commercials of one advertiser in network or spot po