Lewis & Short

Mīsēnum, i, n., = Μισηνόν, a promontory, town, and harbor in Campania, now Punta di Miseno, Mel. 2, 4, 9; Cic. de Or. 2, 14, 60; id. Imp. Pomp. 12, 33; Plin. Ep. 6, 20; Suet. Aug. 49; Tac. A. 4, 5; 14, 13; cf.: Misenum promontorium a Miseno tubicine Aeneae ibi sepulto est appellatum, Paul. ex Fest. p. 123 Müll.; also called Promontorium Misenum, Tac. A. 14, 4; and Miseni, Liv. 24, 13, 6; and poet. in the plur.: Mīsēna, ōrum, Prop. 1, 11, 4.
Hence,

  1. A. Mīsēnus, i, m.
    1. 1. In fable, son of Æolus, a trumpeter of Æneas, buried at the promontory of Misenum, whence it received its name, Verg. A. 6, 162 sq.; Prop. 3, 18 (4, 17), 3; cf. Paul. ex Fest. p. 123 Müll.
    2. 2. For Misenum; v. above.
  2. B. Mī-sēnensis, e, adj., of or belonging to Misenum: villa, Phaedr. 2, 5, 8: classis, Tac. H. 3, 57.
  3. C. Mīsēnātes, ĭum, m., the inhabitants of Misenum, Veg. Mil. 4, 31.
  4. D. Mīsēnus, i, m. (sc. mons), the promontory of Misenum: (mons) qui nunc Misenus ab illo dicitur, Verg. A. 6, 234.