harmŏnĭcus, a, um, adj., = a(rmoniko/s, of or belonging to agreement or harmony, harmonious, harmonic (very rare): res, Varr. L. L. 10, 64 Müll.: harmonica ratio, quae cogit rerum naturam sibi ipsam congruere, Plin. 2, 109, 113, 248: tinnitus, Mart. Cap. 1, 27.