parallelepiped
A solid figure, having six faces, all parallelograms, all opposite faces being similar and parallel.
A cuboid is a rectangular parallelepiped.
Where it comes from
From Latin parallēlepipedum, from Ancient Greek παραλληλεπίπεδος (parallēlepípedos, “with parallel surfaces”), from παράλληλος (parállēlos, “parallel”) + ἐπίπεδος (epípedos, “plane”).
Adapted from the Wiktionary entry parallelepiped (CC BY-SA 4.0).