M / mercātor
noun

mercātor

gen. mercātōris · gender masculine · decl. 3rd
a trader, merchant; a wholesale dealer
a trader, merchant, esp. a wholesale dealer (opp. to caupo, a retailer; class.).
Lit.: venalicii mercatoresque, Cic. Or. 70, 232: multi ad eos mercatores ventitant, Caes. B. G. 4, 3. —
by extension
A dealer, speculator; a petty dealer
A dealer, speculator: non consules, sed mercatores provinciarum, Cic. post Red. in Sen. 4, 10.—Rarely of a petty dealer: vilis sacci mercator olentis, Juv. 14, 269.—
A buyer, purchaser
A buyer, purchaser: signorum, Cic. Verr. 1, 20, 60: veneni, Juv. 13, 154.