This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. The four-dimensional equivalent of a cube.

n. The four-dimensional analogue of a cube; a 4D polytype bounded by eight cubes (in the same way a cube is bounded by six squares).

n. Any of various fictional mechanisms that explain extradimensional, superluminal, or time travel outside the geometry of the physical universe.

n. the four-dimensional analogue of a cube

"It contains four-dimensional equivalents to our familiar three-dimensional geometrical objects-a four-dimensional cube, for example, known as a tesseract, that has sixteen corners and thirty-two edges to a cube's eight and twelve."

regular hexahedron    cube   

hypercube    8-cell    four-dimensional    octachoron   

wild    Oceanside    catch-phrase    mother-tree    getalong