Webster's Revised Unabridged Dictionary · 1913

Felt

Felt , imp. & p. p. o a.

imp. & p. p. o a. from Feel.

Felt , noun

[Anglo-Saxon felt; akin to Dutch vilt, German filz, and possibly to Greek {not transcribed} hair or wool wrought into felt, Latin 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. — Shakespeare
2.
A hat made of felt. — Thynne
3.
A skin or hide; a fell; a pelt. [Obsolete]
To know whether sheep are sound or not, see that the felt be loose. — Mortimer
Collocations (1)
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 , transitive verb

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.