‖ trigonum
(trɪˈgəʊnəm)
[L., ad. Gr. τρίγωνον triangle: see trigon.]
1. Antiq. A musical instrument: = trigon 3 c.
| 1727–41 Chambers Cycl. s.v. Music, Of stringed instruments we hear of the lyra or cithara, the psalterium, trigonum, sambuca [etc.]. 1801 Busby Dict. Mus., Trigonum, or Triangular Harp, an instrument supposed to have been of Phrygian invention. Ibid., From Sophocles we learn, that a certain musician..was so admirable a performer on the Trigonum,..that [etc.]. |
2. Anat. = trigone.
| 1879 St. George's Hosp. Rep. IX. 322 The walls of the bladder were slightly hypertrophied, and there was a small ulcer on the left half of the trigonum. |