portŭōsus, a, um, adj. [portus],
full of or abounding in harbors , having many harbors : mare, Cic. de Or. 3, 19, 69: flumen Trinium, Plin. 3, 12, 17, § 106: pars Numidiae portuosior, Sall. J. 16, 5: navigatio minime portuosa, with no ports to run into , Cic. Fam. 6, 20, 1.—* Adv.: portŭōsē , with many harbors; only comp. : portuosius illic alveus Nili, with more harbors , Jul. Val. Rer. Gest. Alex. M. 1, 20 fin. Mai.