a member of the working class (not necessarily employed)
a person who acts and gets things done
a person who works at a specific occupation
sterile member of a colony of social insects that forages for food and cares for the larvae
someone who takes more time than necessary; someone who lags behind
a pipe of the bagpipe that is tuned to produce a single continuous tone
talk in a monotonous voice
an aircraft without a pilot that is operated by remote control
an unchanging intonation
make a monotonous low dull sound
stingless male bee in a colony of social bees (especially honeybees) whose sole function is to mate with the queen