n. 1.stingless male bee in a colony of social bees (especially honeybees) whose sole function is to mate with the queen 2.an unchanging intonation 3.someone who takes more time than necessary 4.an aircraft without a pilot that is operated by remote control 5.a pipe of the bagpipe that is tuned to produce a single continuous tone drone v. 1.make a monotonous low dull sound 2.talk in a monotonous voice
