īlex, icis, f., a kind of oak, the holmoak or great scarlet oak (cf. quercus, aesculus, robur), Quercus ilex, Linn.; Plin. 16, 6, 8, § 19; 16, 8, 12, § 32; 16, 18, 30, § 73; Enn. ap. Macr. S. 6, 2 (Ann. v. 194 Vahl.); Verg. E. 7, 1; id. A. 12, 702; Hor. C. 3, 13, 14; Ov. M. 1, 112; 8, 237: arbor felix, Macr. S. 3, 20, 2 et saep.

—Poet.: porcus ilice pastus, i. e. with acorns, Mart. 14, 70, 2.