Primero, or PRIME, a game at cards popular in England in the 16th century, but now obsolete. The same or a very similar game was played in Italy under the name primiera, and in France under the names prime, ambigu, &c. Primo belonged to the family of games of which the old post and pair and the more modern brag and poker are members.
Primero
Chambers's Encyclopaedia, Volume 8: Peasant to Eoumelia, p. 404
Source scan(s): p. 0413