cŏactor, ōris, m. [cogo].
I Prop.
A A collector of money (from auctions, of revenues, etc.), Cato R. R. 150, 2; Cic. Clu. 64, 180; id. Rab. Post. 11, 30; * Hor. S. 1, 6, 86; cf. Acron. and Porphyr. in h. l. and Auct. Vit. Hor. 1; Sen. Ep. 81, 2 (al. decoctor).—
B Coactores agminis, the rear , Tac. H. 2, 68.—
C ( = coactiliarius.) A fuller , Inscr. Grut. 648, 3.—
II Trop., one who forces to something : adjutor, et, ut ita dicam, coactor, Sen. Ep. 52, 4.