noun
( -s )
Etymology: from gerund of felt
1.
a. : the process by which fibers are made to mat together especially in the manufacture of felt
b. : the material made by this process ; especially : felt
c. : the quality of fibers that causes them to felt
2. : a felted mass (as of hair)
3. : the action of shrinking into a matted state — used especially of such shrinking in woolen cloth