Noun: dan dan
- (nautical) a small buoy made of cork and with a small flag, used to temporarily mark a position at sea
"The sailors dropped a dan buoy to mark the location of the submerged wreck";
- dan buoy
- A ranking system used in martial arts, indicating advanced levels of proficiency
"She earned her third dan black belt in judo after years of training"
Derived forms: dans
Type of: buoy
Encyclopedia: Dan, West Virginia