[drone] n [ME, fr. OE dran; akin to OHG treno drone, Gk threnos dirge] (bef. 12c) 1: the male of a bee (as the honeybee) that has no sting and gathers no honey
2: one that lives on the labors of others: parasite
3: an unmanned airplane, helicopter, or ship guided by remote control
4: drudge
[2]drone vb droned ; dron.ing vi (ca. 1520) 1 a: to make a sustained deep murmuring, humming, or buzzing sound b: to talk in a persistently dull or monotonous tone
2: to pass, proceed, or act in a dull, drowsy, or indifferent manner ~ vt 1: to utter or pronounce with a drone
2: to pass or spend in dull or monotonous activity or in idleness -- dron.er n -- dron.ing.ly adv [3]drone n (ca. 1520) 1: a deep sustained or monotonous sound: hum
2: an instrument or part of an instrument (as one of the fixed-pitch pipes of a bagpipe) that sounds a continuous unvarying tone
3: pedal point