| ANHEDRALS | • anhedrals n. Plural of anhedral. • ANHEDRAL n. the downward inclination of an aircraft's wing. |
| CATHEDRAE | • cathedrae n. Plural of cathedra. • cathedræ n. Plural of cathedra. • CATHEDRA n. (Latin) a bishop's throne. |
| CATHEDRAL | • cathedral adj. Relating to the throne or the see of a bishop. • cathedral n. The principal church of an archbishop’s/bishop’s archdiocese/diocese which contains an episcopal throne. • cathedral n. (Loosely or informally) A large or important church building. |
| CATHEDRAS | • cathedras n. Plural of cathedra. • CATHEDRA n. (Latin) a bishop's throne. |
| DECAHEDRA | • decahedra n. Plural of decahedron. • DECAHEDRON n. a solid figure or body inclosed by ten plane surfaces. |
| DIHEDRALS | • dihedrals n. Plural of dihedral. • DIHEDRAL n. the angle between two planes, also DIEDRAL. |
| HEMIHEDRA | • hemihedra n. Plural of hemihedron. • HEMIHEDRON n. a solid derived in a hemihedral way, such as a tetrahedron. |
| HEXAHEDRA | • hexahedra n. Plural of hexahedron. • HEXAHEDRON n. a solid body of six sides or faces. |
| HOLOHEDRA | • holohedra n. Plural of holohedron. • HOLOHEDRON n. a geometrical form possessing the property of holohedrism. |
| OCTAHEDRA | • octahedra n. Plural of octahedron. • OCTAHEDRON n. (Greek) a solid bounded by eight plane faces, also OCTOHEDRON. |
| OCTOHEDRA | • octohedra n. Plural of octohedron. • OCTOHEDRON n. (Greek) a solid bounded by eight plane faces, also OCTAHEDRON. |
| POLYHEDRA | • polyhedra n. Plural of polyhedron. • POLYHEDRON n. a body or solid contained by many sides or planes. |
| SUBHEDRAL | • subhedral adj. (Mineralogy) Having some crystal faces and some grainy surfaces; neither entirely euhedral nor entirely anhedral. • SUBHEDRAL adj. showing some traces of crystal form. |
| TRIHEDRAL | • trihedral adj. (Geometry) Having three plane faces that meet at a common point. • TRIHEDRAL n. a solid having three sides or faces; thus, a trihedral angle is a solid angle bounded by three plane angles. |