A dado joint is made by cutting a rectangular groove entirely across one member into which the end of another member fits.
Dadoes are cut across the grain of the wood.
Blind dado joint
Corner dado and rabbet joint
Dado and rabbet joint
Dado joint strengthened with a mortise and tenon joint
Double dado joint
Sliding dovetail joint
Sliding half dovetail joint
Stopped dado joint
Stopped sliding dovetail joint
Stopped sliding half-dovetail joint
Through dado joint
Tongue and dado joint