Definitions

1. noun

a person who shares the responsibility of editing a publication or other work

“The coeditors of the literary magazine were responsible for reviewing submissions.”

2. noun

a person who shares the role of editor in a collaborative effort

“The coeditor worked closely with the lead editor to finalize the manuscript.”

3. verb

to edit (something) jointly with another person

“The two writers decided to coedit the screenplay before submitting it to the film festival.”