double headed (dublhed"ed)

1. Having two heads: as, a double - headed eagle in a coat of arms.-2. Supposed to have two heads: as, the double - headed serpent (the amphisbæna). double-header (dub'l-heder), n. A railroad train drawn by two engines, or pulled by one engine and pushed by another. [Colloq., Ů. S.] A freight engine dashed into the rear of the train, crushing the ends of nearly all the cars on the train, as well as damaging the second engine, the train being a double header. Philadelphia Ledger , Dec. 30, 1887.