Angiportus, A Portu compositÛ, tam masculini, qum neutrngeneris inuenitur, & secundæ declinationis, hic angipor tus, & hoc angiportum, his angiportis. A great hole in the earth with many turnings, or that which hath no way out: also a laue in a towne: or that which lieth on a hauen, wherby merchandise is caried from the water or recaried.Angiportu. Horat. Angiportis, ablatiuus. Catul.
Lewis and Short: Latin dictionary
angĭportus, ūs, m. (and angĭpor-tum, i, n.; cf. Prisc. p. 714 P.) [ang- as in angustus, and portus; cf. Varr. L. L. 5, 145 Müll.; Paul. ex Fest. p. 17 Müll.], a narrow street, lane, or alley, Paul. ex Fest. l. l.; cf. Dig. 16, 59; Plaut. Cist. 1, 2, 5; id. Most. 5, 1, 5: viae omnes angiportusque, Cic. Div. 1, 32, 69; Hor. C. 1, 25, 10; Plaut. Ps. 4, 2, 5; 4, 7, 137; id. Cist. Fragm. ap. Non. p. 190, 10; Ter. Ad. 4, 2, 39; id. Eun. 5, 2, 6: angiporto toto deerrare, Auct. ad Her. 4, 51, 64: in quadriviis et angiportis, Cat. 58, 4.