<p><strong>Adjective</strong></p><ul><li>Of, relating to, or having the form of a hexagon.</li><li>Having a hexagon as a base or cross section: a hexagonal prism.</li><li>Divided into hexagons, as a surface.</li><li>In crystallography: Noting or pertaining to a system of crystallization in which three equal axes intersect at angles of 60° on one plane, and the fourth axis, of a different length, intersects them perpendicularly.</li></ul>