Lewis Short
(adjective) : Plăcentĭa, ae, f.
* A city in Gallia Cispadana, on the Po, the modern Piacenza, Liv. 21, 25; 56 sq.; 27, 39; 31, 10 al.; Vell. 1, 14 fin.; Cic. Att. 6, 9, 5; Tac. H. 2, 17; Sil. 8, 593.—Hence
* Plăcentī-nus, a, um, , of or belonging to Placentia, Placentian, Placentine: municipium,Cic. Pis. 23, 53: calices,id. ib. 27, 67: turma,Liv. 44, 40: Tinca,from Placentia,Cic. Brut. 46, 172.—In plur. subst.: Plă-centīni, ōrum, m., the inhabitants of Placentia, the Placentines, Liv. 27, 10; 31, 21 al.
* In a burlesque double sense: Placentini milites, Placentine soldiers and placenta (cake) soldiers, i. e. pastry-cooks, Plaut. Capt. 1, 2, 59.
Charlton T. Lewis, Charles Short, A Latin Dictionary