To wash (something) quickly using water and no soap.
You'd better rinse that stain before putting the shirt in the washing machine.
To remove soap from (something) using water.
Rinse the dishes after you wash them.
To thoroughly defeat in an argument, fight or other competition.
Checkmate!
The act by which something is rinsed.
The cloth will need frequent rinsings as you wash the car.
(usually plural) That which is rinsed or washed out.
the rinsings of a wine-glass