Lewis & Short

ēlĭces, um, m. [e-liquor; cf. colliciae], a trench for drawing off water, a drain, Col. 2, 8, 3; 11, 2, 82; cf. Paul. ex Fest. p. 76, 2 Müll.; Serv. Verg. G. 1, 109; v. also elix.