Lewis & Short

† orgănum, i, n., = ὄργανον,

  1. I. an implement, instrument, engine of any kind (mostly post-Aug.), Col. 3, 13, 12.
    Of military or architectonic engines (whereas machina denotes one of a larger size and more complicated construction), Vitr. 10, 1.
    Of musical instruments, a pipe, Quint. 11, 3, 20; 9, 4, 10; Juv. 6, 3, 80; Vulg. Gen. 4, 21; id. 2 Par. 34, 12 et saep.
    Of hydraulic engines, an organ, water-organ: organa hydraulica, Suet. Ner. 41: aquatica, Mythogr. Lat. 3, 12.
    Of a church-organ, Cass. Expos. in Psa. 150; Aug. Enarr. in Psa. 150, n. 7.
    1. B. Transf.: organum oris, the tongue of a man, Prud. στεφ. 10, 2.
  2. II. Trop., an implement, instrument, Quint. 1, 2, 30.