double-headed

adjective4

1. •
   Having two heads.

   • a double-headed serpent
   • double-headed muscles
2. •
   Of a coin, having a head on both sides, especially when counterfeited by being constructed from two separate coins.
3. •
   Of a train, hauled by two locomotives.
4. •
   Synonym of sepmag (“having separately recorded picture and soundtrack”).