Assertion: octahedron's vertex | /r/HasProperty | plural: vertices
Facets:
Source sentences:
text: In geometry , a polyhedron , (the word is a Greek neologism meaning many seats ) is a solid bounded by plane surfaces, which are called the faces ; the intersection of three or more edges is called a vertex (plural: vertices ).
text: A vertex (plural: vertices) is a point where two or more line segments meet.