DRO

swift-running bipedal dinosaurs

DRO

a genus of birds in the order Casuariiformes

DRO

large Australian flightless bird similar to the ostrich but smaller

DRO

one-humped camel of the hot deserts of North Africa and southwestern Asia

DRO

psychoactive substance present in marijuana

DRO

stingless male bee in a colony of social bees (especially honeybees) whose sole function is to mate with the queen

DRO

a pipe of the bagpipe that is tuned to produce a single continuous tone

DRO

an aircraft without a pilot that is operated by remote control

DRO

an unchanging intonation

DRO

someone who takes more time than necessary

DRO

talk in a monotonous voice

DRO

make a monotonous low dull sound