I. A high mountain in the north-eastern part of Arcadia, on which, acc. to the myth, Mercury was born and brought up; hence, consecrated to him, now Zyria, Plin. 10, 30, 45, § 87; Ov. F. 2, 276; 5, 87; Verg. A. 8, 139. —
II. Hence,
A. Cyllēnĭus , a, um, adj., Cyllenian: “mons,” Mel. 2, 3, 5: “proles,” i. e. Mercury, Verg. A. 4, 258; in this sense also subst.: Cyllēnĭus , ĭi, m., Verg. A. 4, 252; 4, 276; Ov. M. 1, 713; 2, 720 et saep.—
2. Of or pertaining to Mercury: proles, i. e. Cephalus, son of Mercury by Creüsa, Ov. A. A. 3, 725: “ignis,” the planet Mercury, Verg. G. 1, 337.—
B. Cyllēnēus , a, um, adj., Cyllenian: “vertex,” Ov. M. 11, 304: “fides, i. e. lyra,” Hor. Epod. 13, 9; “as a constellation,” Cic. Arat. 627.—
C. Cyllēnis , ĭdis, f. adj., Cyllenian, or of Mercury: “harpe,” possessed by Mercury, Ov. M. 5, 176: “planta,” i. e. the foot of Mercury, Sil. 16, 500.—
IV. A nymph, nurse of Mercury, Paul. ex Fest. p. 52, 5; cf. Serv. ad Verg. A. 4, 252.