A policeman. Said to be so called from the copper badge which Fernando Wood, of New York, appointed them to wear; but more likely a variant of “cop” (q.v.).
“There were cries of ‘Coppers, Coppers!ʹ in the yard, and then a violent struggle… . . Whoever it was that was wanted had been evidently sécured and dragged off to gaol.ʹ—T. Terrell: Lady Delmar, 1.