ad-densĕo, ēre, and ăddenso, āre (cf. Wagner ad Verg. G. 1, 248), 2 and 1, v. a.,
to make close , compact (very rare): extremi addensent acies, Verg. A. 10, 432 Rib.—In pass. , of water, to become thick , to thicken : aquam radice ea addita addensari, Plin. 20, 21, 84, § 230.