I. smoother
comparative of smooth
II. smooth·er ˈsmüthə(r) noun
( -s )
1. : one that smooths
a smoother of the way for those who came after him
2. : one whose work is to make something smooth: as
a. : one who smooths sheet metal on a hammering machine
b. : one that bevels the edges of optical glass with an abrasive wheel
c. : one that removes blemishes from glassware by means of a gas flame
d. : one that smooths finished fountain pen points with emery paper
3. : a device or tool for smoothing : sleeker , slicker