Tunic dream meaning is explained below using 1 different source. Each interpretation is shown with its source.

Interpretation 1 — Martha Clarke

The tunic symbolizes the self and the soul, or the area most directly in contact with the spirit. Given that it represents personality, it is important to analyze the color of the tunic, as well as its texture. (See STAINS, CLOAK, and CLOTHING) 
Source: The Big Dictionary of Dreams Author: Martha Clarke