What does "sleeker" mean?

An instrument for sleeking or making smooth.

What is a synonym for "sleeker"?

Common synonyms include: abrasive, aerodynamic, efficient, elegant, glossy, performant.

adj, noun

adj, noun ·2 syllables ·Rare ·Advanced level

Noun

1
An instrument for sleeking or making smooth.
"The blackwashing is here to be the very last operation, and to be well performed, and when dry must be polished by a large sleeker fitting the circle of the cylinder."

Adjective

"I've gotten much fitter, sleeker, and sexier thanks to all this running from the cops."

From sleek + -er.