Base
Underpart
Underpart noun - The side or part facing downward from something.
Usage example: the bird's underparts were white
Cite this Source
Underpart and Base. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/base/underpart
Base & Underpart. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/base/underpart>.
Underpart or Base. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/base/underpart.
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