Drogue/drəʊɡ/ Definition 1 of 3Pro Tip 1/2Slows Down A drogue on vehicles or boats is meant to reduce their speed, not to stop them. The boat began to pick up speed, so we deployed the drogue. Pro Tip 2/2Dragged Device Remember, a drogue is not carried but towed or dragged behind something. They attached the drogue, and it dragged behind us, steadying our descent.