P / pīna
noun

pīna

gen. pīnae · gender feminine · decl. 1st
= πῖνα (less correctly , = πίννα)
the sea-pen; a kind of mussel
the sea-pen, a kind of mussel, Cic. Fin. 3, 19, 63; id. N. D. 2, 48, 123; Plin. 9, 35, 56, § 115; 32, 11, 53, § 150.