A name applied to collectors of various sorts—e. g. to the servants of the
publicani or farmers of the taxes, who collected the revenues for them (Pro Rab.
11.30); also to those who collected the money from the purchasers of things sold
at a public auction (id. Pro Cluent.
64.180). The father of Horace was a coactor
, but there are no means of determining to which class he belonged
Sat. i. 6, 86
; Vit. Hor.