Definition

/blæŋk/

noun

A small French coin, originally of silver, afterwards of copper, worth 5 deniers; also a silver coin of Henry V current in the parts of France then held by the English, worth about 8 pence .
A nonplus .
The white spot in the centre of a target; hence the object to which anything is directed or aimed, the range of such aim .
A lot by which nothing is gained; a ticket in a lottery on which no prize is indicated .
An empty space; a void, for example on a paper .

verb

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.”

adjective

White or pale; without colour.
Free from writing, printing, or marks; having an empty space to be filled in
“a blank ballot”
Scoreless; without any goals or points.
Lacking characteristics which give variety; uniform.
“a blank desert; a blank wall; blank unconsciousness”
Absolute; downright; sheer.
“There was a look of blank terror on his face.”