Ranked by relevance and common usage.
OpenGloss and ConceptNet supply richer edges like generalizations, collocations, and derivations.
3 translations across 3 languages.
1 total sentences available.
John Conway of Princeton University offered a reward in the 1990s to anyone producing a holyhedron, a polyhedron with a finite number of faces and with a hole in every face. […] Conway had predicted that someone will eventually find a holyhedron with fewer than 100 faces.
Source: wiktionary
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.