Added 9 October 2026 pei noun Categories: PeopleRare Words noun ! Definition from WordNet 3.1, Princeton University. More about pei at Wordnik → Where our words come from → United States architect (born in China in 1917). Related Words: isleislandyinortherncharlottetownpuibaepiotprovinceprovincialprincepae Back to today's word