paintbrush
[C] Countable
pl: paintbrushes
This term describes a specialized tool designed for the controlled application of pigment. It carries a strong association with creativity, craftsmanship, and the tactile process of art-making. While a brush can be used for cleaning or grooming, a paintbrush specifically evokes the image of a canvas, a wall, or a detailed miniature. In a professional context, the word implies a variety of specific shapes and bristles tailored for different textures. It is used both in the high-art world of galleries and the practical world of home renovation, shifting the feeling from an instrument of expression to a tool of maintenance depending on the setting.
Countable because you can own a set of several different paintbrushes for different tasks.