felt
noun
°A cloth or stuff made of matted fibres of wool, or wool and fur, fulled or wrought into a compact substance by rolling and pressure, with lees or size, without spinning or weaving.
°A hat made of felt.
verb
°To make into felt, or a feltlike substance; to cause to adhere and mat together. — Sir Matthew Hale.
°To cover with, or as with, felt; as, to felt the cylinder of a steam engine.