Source : Webster's Revised Unabridged Dictionary (1913)

Humblebee \Hum"ble*bee`\, n. [OE. humbilbee, hombulbe; cf. D.
   hommel, G. hummel, OHG. humbal, Dan. humle, Sw. humla; perh.
   akin to hum. [root]15. Cf. {Bumblebee}.] (Zo["o]l.)
   The bumblebee. --Shak.

Source : WordNet®

humblebee
     n : robust hairy social bee of temperate regions [syn: {bumblebee}]