1. having three faces or surfaces
Usage: geometry

1. a figure or solid having three faces
Usage: geometry

Examples

• The trihedral angle is formed by three intersecting planes.
• A corner of a cube creates a trihedral vertex.
• The crystal exhibited a trihedral structure.
• Students studied the properties of trihedral solids in geometry class.
• The trihedral has three distinct faces meeting at a common edge.
• Engineers analyzed the trihedral joint in the building’s framework.