P / pistris
noun greek

pistris

gen. pistris · gender feminine · decl. 3rd
or , (also or , ĭcis), , = πίστρις, πρίστις.
any sea-monster; a whale; shark; sawfish
Lit., any sea-monster; a whale, shark, sawfish: postrema immani corpore pistrix (of Scylla), Verg. A. 3, 427: in Indico mari pristes ducenum cubitorum, Plin. 9, 3, 2, § 4: jamque agmine toto Pistris adest, Val. Fl. 2, 530: marina pistrix, Flor. 3, 5, 16.—
by extension
The constellation of the Whale
The constellation of the Whale: ad Pistricis terga, Cic. Arat. 152: Auster Pistrin agit, German. Arat. 358.—
A species of swift-sailing ship
A species of swift-sailing ship, Quadrig. ap. Non. 535, 26; Liv. 35, 26, 1.—
Name of a ship in the fleet of Æneas
Name of a ship in the fleet of Æneas, Verg. A. 5, 116.