Ron'dure noun [ Confer French rondeur roundness.] 1. A round; a circle. [ Obsolete] Shak. 2. Roundness; plumpness. [ R.] « High-kirtled for the chase, and what was shown Of maiden rondure , like the rose half-blown.» Lowell. Found on http://www.encyclo.co.uk/webster/R/91