Definition of Chinese wall
: a strong barrier; especially : a serious obstacle to understanding
Origin and Etymology of chinese wall
Chinese Wall, a defensive wall built in the 3rd century b.c. between China and Mongolia
First Known Use: 1900See Words from the same year
Learn More about chinese wall
Seen and Heard
What made you want to look up Chinese wall? Please tell us where you read or heard it (including the quote, if possible).