cojoin

verb

co·​join ˌkō-ˈjȯin 

cojoined; cojoining

transitive + intransitive

: to join (two or more things or people) together : conjoin

The drives began to click, and the parallel processors silently multiplied and cojoined huge numbers.

—Richard Preston

Word History

First Known Use

circa 1616, in the meaning defined above