Lewis Short
(adjective) : querquētŭlānus, a, um, from querquetum, for quercetum
* Of or belonging to an oak-forest, named from an oakwood: querquetulanae virae (i. e. virgines) putantur significari nymphae praesidentes querqueto virescenti: quod genus silvae judicant fuisse intra portam, quae ab eo dicta sit Querquetularia. Sed feminas antiqui, quas sciens (scitas?) dicimus, viras appellabant: unde adhuc permanent virgines et viragines,Fest. p. 261 Müll.: mons, an earlier name of the Mons Caelius at Rome, Tac. A. 4, 65; here was querquetulanum sacellum,Varr. L. L. 5, § 49 Müll.; and: querquetulana porta, a gate in Rome between the Mons Caelius and Esquilinus, Plin. 16, 10, 15, § 37.
* Plur.: Quer-quētŭlāni, ōrum, m., a people of Latium, Plin. 3, 5, 9, § 69.
Charlton T. Lewis, Charles Short, A Latin Dictionary