To make void; to erase.
I blanked out my previous entry.
To ignore (a person) deliberately.
She blanked me for no reason.
To prevent from scoring, for example in a sporting event.
England blanks Wales to advance to the final.
To become blank.
To be temporarily unable to remember.
I'm blanking on her name right now.
An instance of something being blanked out.
A metalworking process to form the rough shape of a sheet-metal workpiece.
The reduction of the brightness of the scanning beam to zero when it needs to be moved without updating the picture.