Definify.com
Webster 1913 Edition
Silkiness
Silk′i-ness
,Noun.
 1. 
The quality or state of being silky or silken; softness and smoothness. 
2. 
Fig.: Effeminacy; weakness. 
[R.] 
B. Jonson.
 Webster 1828 Edition
Silkiness
SILK'INESS
,Noun.
  1.
  The qualities of silk; softness and smoothness to the feel.2.
  Softness; effeminacy; pusillanimity.