Lewis Short
(adjective) : cantābundus, a, um, canto
* Singing (rare: sedeo ego cantabundus et stellas numero,Petr. 62, 4: Gallus suā disciplinā scuto projecto cantabundus (constitit), Quadrig. ap. Gell. 9, 13, 16 dub. (Hertz, cunctabundus).
Charlton T. Lewis, Charles Short, A Latin Dictionary