1. 正六面体：regular hexagon == 正六边形 | regular hexahedron == 正六面体 | regular icosohedron == 正二十面体

2. 正 面体：regular hexagon 正 边形 | regular hexahedron 正 面体 | regular icosahedron 正二十面体

noun

1. a hexahedron with six equal squares as faces

Synonym: cube