Term: regular icosahedron: an icosahedron with twenty equilateral triangles as faces
Broader: regular polyhedron: any one of five solids whose faces are congruent regular polygons and whose polyhedral angles are all congruent | Unrelated: water cooler: a device for cooling and dispensing drinking water
Broader: regular polyhedron: any one of five solids whose faces are congruent regular polygons and whose polyhedral angles are all congruent | Unrelated: first sergeant: a sergeant in the Army above the rank of staff sergeant and below master sergeant
Broader: regular polyhedron: any one of five solids whose faces are congruent regular polygons and whose polyhedral angles are all congruent | Unrelated: graphology: the study of handwriting (especially as an indicator of the writer's character or disposition)
Broader: regular polyhedron: any one of five solids whose faces are congruent regular polygons and whose polyhedral angles are all congruent | Unrelated: seedtime: any time of new development
Broader: regular polyhedron: any one of five solids whose faces are congruent regular polygons and whose polyhedral angles are all congruent | Unrelated: mitzvah: (Judaism) a good deed performed out of religious duty
Broader: regular polyhedron: any one of five solids whose faces are congruent regular polygons and whose polyhedral angles are all congruent | Unrelated: ballot box: a box where voters deposit their ballots
Broader: regular polyhedron: any one of five solids whose faces are congruent regular polygons and whose polyhedral angles are all congruent | Unrelated: doze: a light fitful sleep
Broader: regular polyhedron: any one of five solids whose faces are congruent regular polygons and whose polyhedral angles are all congruent | Unrelated: lady's smock: a bitter cress of Europe and America
Broader: regular polyhedron: any one of five solids whose faces are congruent regular polygons and whose polyhedral angles are all congruent | Unrelated: reformism: a doctrine of reform
Broader: regular polyhedron: any one of five solids whose faces are congruent regular polygons and whose polyhedral angles are all congruent | Unrelated: phaseolus: herbs of warm regions including most American beans