What is the meaning of PIGGYBACK?

Dependent upon usage, can mean: 1. On the back or shoulder or astraddle on the hip; 2. Two lenders participating in the same loan (PIGGYBACK loan); 3. Unauthorized access to a data processing system via an authorized user's legitimate connection (piggyback entry); 4. Haul by railroad car; 5. SEC registration of existing holdings of shares in a corporation combined with an offering of new public shares (piggyback registration); 6. Rights that entitle an investor to register and sell his or her stock whenever the company conducts a public offering (piggyback rights).