counterpart
Either of two parts that fit together or otherwise complement one another.
Example
“Those brass knobs and their hollow counterparts interlock perfectly.”
Other meanings
A duplicate of a legal document.
One who or that which resembles another. en
Synonyms
- opposite number
Related words
- counterpart theory
Word history
From Middle English "conterpart".
Where this comes from
This definition is adapted from “counterpart” on Wiktionary, by its contributors; related-word lists use Open English WordNet (CC BY 4.0, based on Princeton WordNet), published under CC BY-SA 4.0. This page is published under the same licence.