P / pistor
noun

pistor

gen. pistōris · gender masculine · decl. 3rd
pinso; root in Sanscr. pish-, to crush; cf. Gr. πτίσσω
one who pounds corn in a mortar; grinds it in a hand-mill; a miller
one who pounds corn in a mortar or grinds it in a hand-mill, a miller (only so in Plaut.).
Lit.: nec pistorem ullum nossent, nisi eum, qui in pistrino pinseret farinam (far?), Varr. ap. Non. 152, 14; cf. id. ib. 16: pistores tantum eos qui far pinserunt nominatos, At. Cap. ap. Plin. 18, 11, 28, § 107; Plaut. Capt. 4, 2, 27; id. Trin. 2, 4, 6; Gell. 3, 3, 14.—
a baker by extension
Transf., a baker (class.): pistores Romae non fuere ad Persicum usque bellum ... ipsi panem faciebant Quirites, mulierum id opus erat, Plin. 18, 11, 28, § 107: ut tuus pistor bonum faceret panem, etc., Varr. ap. Gell. 15, 19, 2; Suet. Caes. 48: mitto hasce artes vulgares, coquos, pistores, lecticarios, Cic. Rosc. Am. 46, 134; id. Fin. 2, 8, 23; id. Arch. 46, 134; Sen. Ep. 15, 3, 24; Vulg. Gen. 40, 1. At Rome the bakers formed a separate guild, Inscr. Don. cl. 9, n. 11; Inscr. Grut. 81, 10; 255, 1; Dig. 3, 4, 1; 27, 1, 46.—
A surname of Jupiter; because; when the Romans were besieged in the Capitol
A surname of Jupiter, because, when the Romans were besieged in the Capitol, he gave them the idea of hurling bread, as though they had an abundance of it, at the besieging Gauls, Ov. F. 6, 350; 394; Lact. 1, 20.—
Pastry-cooks
Pastry-cooks were also called pistores, Mart. 11, 31, 8; 14, 222; Petr. 60.