\Tum"ble*dung`\, n. (Zo["o]l.)
Any one of numerous species of scaraboid beetles belonging to
{Scarab[ae]us}, {Copris}, {Phan[ae]us}, and allied genera.
The female lays her eggs in a globular mass of dung which she
rolls by means of her hind legs to a burrow excavated in the
earth in which she buries it.