Lewis Short
(verb) : gannĭo, īre
* To yelp, bark.
* Lit.: gannire cum sit proprie canum, Varro asinos rudere, canes gannire, pullos pipare dixit,Non. 450, 11: nictit canis in odorandis ferarum vestigiis leviter ganniens, Paul. ex Fest. s. v. nictit, p. 177 Müll.; cf. also ‡ gannitio.—Of foxes, Auct. Carm. Phil. 59; Hier. Vit. Hilar. med.
* Transf., of persons.
* To snarl, growl, grumble (poet.): gannit odiosus omni totae familiae, Plaut. Fragm. ap. Varr. L. L. 7, § 103 Müll.: quid ille gannit? quid vult?Ter. Ad. 4, 2, 17; Cat. 83, 4; Afran. ap. Non. 450, 11; Juv. 6, 64.
* In gen., to talk loud, to gabble, chatter: sic nobis gannientibus,App. M. 3, p. 138.
Charlton T. Lewis, Charles Short, A Latin Dictionary