col-lĭciae or collĭquĭae (conl-), ārum, f. [con-liquor, a flowing together; hence],
channels , drains , or gutters for conducting water in the fields , upon the roofs of buildings , etc., Col. 2, 8, 3; Plin. 18, 19, 49, § 179; Vitr. 6, 3; cf. Paul. ex Fest. p. 114, 4 Müll.