Added 9 October 2026 tessellation /tɛsəˈleɪʃən/ noun Categories: ActionsRare Words noun ! Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about tessellation at Wordnik → Where our words come from → The careful juxtaposition of shapes in a pattern. a tessellation of hexagons The act of adorning with mosaic. Related Words: dirichlettesselationtilingtileabilitytessarinecantellationtriangulationtesseractpentaflakestellation Back to today's word