transitive + intransitive
: to lead (something, such as a group) with one or more other people
- They were chosen to co-lead the investigative team.
: to share a lead with another person in a competition
- A former U.S. Amateur champion in Byeong Hun An co-leads at 10 under after a second straight 66.
- —Kevin Casey
… expedition coleader Roy Glaser slid gingerly around a huge block of rock that seemed solidly attached to the wall.