牢友

Traditional form:

牢友

Pinyin (reading):

láoyǒu

Definitions:

• inmate
• cellmate

Characters:

• 牢 - pen, prison, stable; fast, firm, secure
• 友 - friend, companion; fraternity

Traditional characters:

• 牢 - pen, prison, stable; fast, firm, secure
• 友 - friend, companion; fraternity