any of a number of related large, hairy, yellow-and-black social bees (esp. genus Bombus)
Origin of bumblebeealtered (by associated, association with Middle English bomblen, variant, variety of bomben, to boom, buzz, of echoic origin, originally ) ; from Middle English humbul-be ; from humbil, bumblebee (akin to German hummel ; from Indo-European base an unverified form kem-, to hum, of echoic origin, originally ) + be, bee
Any of various large, hairy, often black and yellow bees of the genus Bombus that nest in underground colonies.
Origin of bumblebeebumble2 + bee1.