octohedron

“Captain,” he said, “imaging suggests some kind of hollow chamber inside the comet—in the shape of a perfect octohedron.”

Do Comets Dream? S. P. Somtow 2003

A cube, for instance, is referred to Plan 1, an axis ending in the center of each face; while in a regular octohedron an axis ends in each solid angle.

An Elementary Study of Chemistry William McPherson

The camp was a shelter of spruce bark, open wide in front and closed at the ends, drawn on three faces of an octohedron facing the fireplace.

The Autobiography of a Journalist Stillman, William James, 1828-1901 1901

The camp was a shelter of spruce bark, open wide in front and closed at the ends, drawn on three faces of an octohedron facing the fireplace.

The Autobiography of a Journalist, Volume I William James Stillman 1864

Inscribe an octohedron in Venus; the circle inscribed in it will be Mercury. "

The Martyrs of Science, or, The lives of Galileo, Tycho Brahe, and Kepler David Brewster 1824