Dictionary.com
definitions

Pei

[pey]
noun
  1. I(eoh) M(ing) [yoh ming] /yoʊ mɪŋ/, born 1917, U.S. architect, born in China.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for i m pei

Pei

noun
  1. I (eoh) M (ing). born 1917, US architect, born in China. His buildings include the E wing of the National Museum of Art, Washington DC (1978), a glass and steel pyramid at the Louvre, Paris (1989), and the Rock and Roll Hall of Fame, Cleveland, USA (1995)

PEI

abbreviation for
  1. Prince Edward Island
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012