Webster’s Revised Unabridged Dictionary · 1913
Felt
Felt (fĕlt), imp. & p. p. or a. from Feel.
Felt (fĕlt), n. [AS. felt; akin to D. vilt, G. filz, and possibly to Gr. πῖλος hair or wool wrought into felt, L. pilus hair, pileus a felt cap or hat.] 1. A cloth or stuff made of matted fibers 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.
It were a delicate stratagem to shoe A troop of horse with felt. Shak.
2. A hat made of felt. Thynne.
3. A skin or hide; a fell; a pelt. [Obs.]
To know whether sheep are sound or not, see that the felt be loose. Mortimer.
Felt grain, the grain of timber which is transverse to the annular rings or plates; the direction of the medullary rays in oak and some other timber. Knight.
Felt, v. t. [imp. & p. p. Felted; p. pr. & vb. n. Felting.] 1. To make into felt, or a feltike substance; to cause to adhere and mat together. Sir M. Hale.
2. To cover with, or as with, felt; as, to felt the cylinder of a steam engine.