(~s)
1.
A ~ is someone that you work with to produce a piece of work, especially a book or some research.
The Irvine group and their ~s are testing whether lasers do the job better.
N-COUNT: oft poss N
2.
A ~ is someone who helps an enemy who is occupying their country during a war.
Two alleged ~s were shot dead by masked activists.
N-COUNT disapproval