verb (used without object), bom·bi·nat·ed, bom·bi·nat·ing.
to make a humming or buzzing noise.
Origin: 1875–80; < Neo-Latinbombinātus, past participle of bombināre, apparently coined by Rabelais on basis of Latinbombilāre to hum, buzz < Greekbombyliázein, derivative of bómbos; see bomb
"make a buzzing noise," 1816 (bombination), from L. bombinare, corrupted from bombitare "to hum, buzz," from bombus "a deep, hollow sound; hum, buzz," echoic.