The Collaborative International Dictionary
Bombinate
Bombinate \Bom"bi*nate\, v. i. To hum; to boom.
Douglas Harper's Etymology Dictionary
bombinate
"make a buzzing noise," 1865, from Latin bombinare, corrupted from bombitare "to hum, buzz," from bombus "a deep, hollow sound; hum, buzz," echoic. Related: Bombinated; bombinating.
Wiktionary
bombinate
vb. to buzz or hum
WordNet
Usage examples of "bombinate".
Unfortunately, a chimera bombinating in a vacuum is, nowadays, only too capable of producing secondary causes.
Even the previous depth charging had been nothing to this black bombinating ringing bedlam, this chaos of life bursting apart.