An inch, being the tenth pan of a Chinese chih or foot.(noun)
The Century Dictionary (Public Domain)
Use "tsun" in a sentence
"The three defendants – Chang Yao-ming, Chen Ming-tsun and Hsu Su - chun (female) – set up a sect several years ago in Pingtung County in south Taiwan, the Liberty Times said."
"I think he has his own harem here, one girl is all tsun-tsun, another is nice but kind of a pushover, the other says she is a spirit."
"The man had a notorious feud with the Gracies in the 1990s in which he denounced brazilian jiu-jitsu and the UFC as fake and touted the superiority of wing-tsun."