Lewis Short
(adjective) : Ilergavonenses (Illurg-), ium, m., Liv. 22, 21, 6; Caes. B. C. 1, 60, 2.—Called also Ilergāŏnes, um, m.
* A people of Hispania Tarraconensis, on the sea-coast, near the mouth of the Ebro, Plin. 3, 3, 4, § 20.—Hence, Illurgavonensis, e, , of the Illurgavonenses: cohors,Caes. B. C. 1, 60, 4.
Charlton T. Lewis, Charles Short, A Latin Dictionary