Underpart definition
A lower part or a portion of a lower part or underside, especially of an animal's body.
The robin's pale underparts.
noun
A subordinate role, as in a play.
noun
The lower part or side, as of an animal's body or an airplane's fuselage.
noun
A secondary or subsidiary position or part.
noun
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Other Word Forms
Noun
Singular:
underpart
Plural:
underpartsOrigin of underpart
- under- +"Ž part
From Wiktionary