D defs.my
Entry 1 sense Webster, 1913

Parallelopiped

/(păr`al*lĕl`ō̇*pī"pĕd)/ · Par·al·lel·o·pi·ped · IPA
01 n. A solid, the faces of which are six parallelograms, the opposite pairs being parallel, and equal to each other; a prism whose base is a par…
  1. 1.
    A solid, the faces of which are six parallelograms, the opposite pairs being parallel, and equal to each other; a prism whose base is a parallelogram.(Geom.)