Keel
Underside
Underside noun - The side or part facing downward from something.
Cite this Source
Underside and Keel. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/keel/underside
Keel & Underside. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/keel/underside>.
Underside or Keel. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/keel/underside.
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