rounder

(noun) a dissolute person; usually a man who is morally unrestrained. Synonyms: libertine, debauchee.

(noun) a tool for rounding corners or edges.

(adj) having a circular shape. Synonyms: round (vs. square), circular.

(adj) (of sounds) full and rich. Synonyms: orotund, rotund, round, pear-shaped. Examples: "Orotund tones." "The rotund and reverberating phrase." "Pear-shaped vowels."

(adj) (mathematics) expressed to the nearest integer, ten, hundred, or thousand. Synonyms: round. Example: "In round numbers."