n.
Pronunciation: ˌ pa-r ə - ˌ le-l ə - ' p ī -p ə d also - ˌ le- ' le-p ə - ˌ ped
Function: noun
Etymology: Greek parall ē lepipedon, from parall ē los + epipedon plane surface, from neuter of epipedos flat, from epi- epi- + pedon ground; akin to Latin ped-, pes foot ― more at FOOT
Date: 1570
: a 6-faced polyhedron all of whose faces are parallelograms lying in pairs of parallel planes