Tumbledung
Pronunciation : Tum"ble*dung`
Part of Speech : n.
Definition : Defn: Any one of numerous species of scaraboid beetles belonging to Scarab?us, Copris, Phan?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.
(Zo?l.)
Source : Webster's Unabridged Dictionary, 1913
Merriam-Webster's Everyday Language Reference Set: Includes: The Merriam-Webster Dictionary, The Merriam-Webster Thesaurus, and The Merriam-Webster Vocabulary Builder