Lewis & Short

Salmăcis, ĭdis, f.

  1. I. A very cleat fountain in Caria, much used, and fabled to render soft and effeminate all who drank of it, Ov. M. 4, 286; Vitr. 2, 8; Stat. S. 1, 5, 21.
    Personified, the nymph of this fountain, Ov. M. 4, 337; 4, 347; voc. Salmaci, id. ib. 4, 306; cf. Fest. p. 329 Müll.
  2. II. Transf., a weak, effeminate person, Enn. ap. Cic. Off. 1, 18, 61 (Trag. v. 36 Vahl.; cf. Trag. Rel. p. 53 Rib.).