par·​al·​lel·​e·​pi·​ped ˌper-ə-ˌle-lə-ˈpī-pəd How to pronounce parallelepiped (audio)
 also  -ˌle-ˈle-pə-ˌped
: a 6-faced polyhedron all of whose faces are parallelograms lying in pairs of parallel planes

Word History


Greek parallēlepipedon, from parallēlos + epipedon plane surface, from neuter of epipedos flat, from epi- epi- + pedon ground; akin to Latin ped-, pes foot — more at foot

First Known Use

1570, in the meaning defined above

Time Traveler
The first known use of parallelepiped was in 1570

Dictionary Entries Near parallelepiped

Cite this Entry

“Parallelepiped.” Dictionary, Merriam-Webster, Accessed 29 May. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!