I’ll go with quader if that’s the consensus but I think rectangloid should have at least made the list of nominees. The election was fixed, I tell ya!
Heh. you had me going there for a minute.
You’re right. That’s exactly what it is.
I didn’t read very carefully.
It does occur to me though, that we could call flapjacks “Quader Oats”.
sorry
Vote cuboid!
When did that start? 
rectangular parallelepiped is what I always heard in math class, rectangular solid is what I most often call such a thing.
Tris
But, isn’t calling it a “rectangular parallelopiped” a bit like calling a (2-D ordinary) rectangle a “rectangular parallelogram”?
What do you call a [del]dog with no legs[/del] three-dimensional rectangle? It doesn’t matter—it won’t come when you call it, anyway.
Beg pardon?