Definition of Rounder

Noun: rounder rawn-du(r)

A dissolute person; usually a man who is morally unrestrained
- libertine, debauchee
A tool for rounding corners or edges

Adjective: round (rounder,roundest) rawnd

Having a circular shape
- circular
(of sounds) full and rich
"round tones";
- orotund, rotund, pear-shaped
(mathematics) expressed to the nearest integer, ten, hundred, or thousand
"in round numbers"