Added 9 October 2026
quadrilateral
/ˌkwɒdɹɪˈlætəɹəl/ noun
In Latin: quadrilatus Wiktionary
noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about quadrilateral at Wordnik → Where our words come from →
adjective
Origin
Learned borrowing from New Latin quadrilaterus + -al.
From Wiktionary, via Kaikki.org (CC BY-SA)