felting

(verb) mat together and make felt-like. Synonyms: felt. Example: "Felt the wool."

(verb) cover with felt. Synonyms: felt. Example: "Felt a cap."

(verb) change texture so as to become matted and felt-like. Synonyms: felt, felt up, mat up, matt-up, matte up, matte, mat. Example: "The fabric felted up after several washes."