n. [ L. See Co-, and Aid. ] 1. One who aids another; an assistant; a coworker. [ 1913 Webster ]

Craftily outwitting her perjured coadjutor. Sheridan. [ 1913 Webster ]

2. (R. C. Ch.) The assistant of a bishop or of a priest holding a benefice. [ 1913 Webster ]

n. The state or office of a coadjutor; joint assistance. Pope. [ 1913 Webster ]