a basketball shot in which the basketball is propelled downward into the basket
"She leaped high to dunk the ball, sending it straight down through the hoop for two points."
The act of dunking, particularly in basketball.
"He jumped high to slam the ball through the hoop for a powerful dunk at the end of the game."
To submerge briefly in a liquid.
"Before putting the bagel in the toaster, I dunked it quickly into my coffee to soften the crust."
A surname.
"The Dunk family has lived on this farm for three generations, and my great-grandfather was a well-known farmer named John Dunk."