any large hairy social bee of the genus Bombus and related genera, of temperate regions: family Apidae
Word origin
C16: from bumble2 + bee1
bumblebee in American English
(ˈbʌmbəlˌbi)
noun
any of a number of related large, hairy, yellow-and-black social bees (esp. genus Bombus)
Word origin
altered (by assoc. with ME bomblen, var. of bomben, to boom, buzz, of echoic orig.) < ME humbul-be < humbil, bumblebee (akin to Ger hummel < IE base *kem-, to hum, of echoic orig.) + be, bee1