ILEX Meaning of ILEX in English ilex 1 /uy"leks/ , n.See holm oak . [ 1350-1400; ME ]ilex 2 /uy"leks/ , n.1. any tree or shrub of the genus Ilex.2. a holly. [ 1555-65; ilex ILEX 1 ] Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012