(geometry) A cyclic hexagon with vertices given by the six intersections of the edges of a triangle and the three lines that are parallel to the edges that pass through its symmedian point.

plural of hexagonal prism

(alternative medicine) Water claimed to have a six-sided ring structure which resonates with energetic vibrations of the body.

(geometry) A nonplanar hexagon whose three diagonals meet.

(astronomy) An asterism with vertices at Rigel, Aldebaran, Capella, Pollux, Procyon, and Sirius.