Concave
Round
Round verb - To form into a round compact mass.
Cite this Source
Round and Concave. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/concave/round
Concave & Round. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/concave/round>.
Round or Concave. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/concave/round.
Google Ngram Viewer shows how "concave" and "round" have occurred on timeline