Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
sălīnae, ārum [sal] (cf. Varr. L. L. 8, § 48 Müll.), f. (sc. fodinae), salt-works, saltpits, Plin. 31, 7, 39, § 81; Cic. N. D. 2, 53, 132; Caes. B. C. 2, 37; Liv. 1, 33; Col. 2, 2, 15 sq. al.: Salinae Romanae, the salt-works established by Ancus Martius at Ostia, near Rome, Liv. 7, 19 fin.; cf. id. 1, 33; also called simply Salinae, id. 5, 45; 24, 47: Herculeae, near Herculaneum, Col. poët. 10, 135.
In a play upon the meaning of this word and that of sal, II.: quod parum diligenter possessio salinarum mearum a te procuratore defenditur, Cic. Fam. 7, 32, 1.