- co-
- [[t]ko͟ʊ-[/t]]
1) PREFIX co- is used to form verbs or nouns that refer to people sharing things or doing things together.
...commercial co-operation between the two countries...
He co-produced the album with Bowie.
2) PREFIX co- is used to form nouns that refer to people who share a job or task with someone else.His co-workers hated him...
Quincy Barnes is co-partner of a San Antonio firm that organizes trade shows.
English dictionary. 2008.