from The American Heritage® Dictionary of the English Language, 4th Edition
- intransitive v. To buzz; hum.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. to buzz or hum
from the GNU version of the Collaborative International Dictionary of English
- intransitive v. To hum; to boom.
from The Century Dictionary and Cyclopedia
- To buzz; make a buzzing sound; bombilate.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- v. make a buzzing sound
Late Latin bombināre, bombināt-, variant of Latin bombilāre, from bombus, a rumbling, buzzing; see bomb.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Medieval Latin bombināre, present active infinitive of bombinō ("buzz, hum"), variant of Latin bombilō, from Ancient Greek βομβυλιάζειν (bombuliázein), from βόμβος (bómbos, "booming, humming"), of imitatory origin. (Wiktionary)