gouache
/ɡwɑːʃ/ or /ɡwaʊʃ/Definitions
1. noun
A type of opaque, water-based painting medium consisting of pigments suspended in a water-based solution.
“The artist used gouache to create the vibrant illustrations in the children’s book.”
2. verb
To paint or draw with gouache.
“She gouached the entire page with bright colors.”