noun

1. a fabric of wool, often mixed with fur or hair or with cotton, rayon, etc., the fibers being worked together by pressure, heat, chemical action, etc. instead of by weaving or knitting
2. any fabric or material with a fuzzy, springy surface like that of felt; esp., a heavy insulating material made of asbestos fibers matted together
3. anything made of felt

Etymology: ME < OE, akin to Ger filz, Du filt (basic sense, “cloth made by pounding or beating”) < IE base *pel-, to beat, strike > L pellere, to beat, drive

adjective

transitive verb

1. 1. to make into felt
   2. to cover with felt
2. to cause (fibers) to mat together

intransitive verb

transitive verb, intransitive verb