definition of felt
[felt] /fÉlt/. noun. 1. a nonwoven fabric of wool, fur, or hair, matted together by heat, moisture, and great pressure. 2. any article made of this material, as a hat. 3. any matted fabric or material, as a mat of asbestos fibers, rags, or old paper, used for insulation and in construction. adjective. 4. pertaining to or made of felt.