The Collaborative International Dictionary of English v.0.48:
Complice \Com"plice\, n.; pl. Complices. [F., fr. L. complex, -plicis, closely connected with one, confederate. See Complicate, and cf. Accomplice.] An accomplice. [Obs.] [1913 Webster] To quell the rebels and their complices. --Shak. [1913 Webster]