(n): a written symbol that is used to represent speech
(n): a blank gap or missing part
(n): a narrow opening
(n): a piece of material ready to be made into something
(n): a flat artifact that is thin relative to its length and width
(n): a cartridge containing an explosive charge but no bullet
(n): ammunition consisting of a cylindrical casing containing an explosive charge and a bullet; fired from a rifle or handgun
(adj): (of a surface) not written or printed on
(adj): vs. full) -- (holding or containing nothing
(adj): void of expression
(adj): vs. communicative), incommunicative -- (not inclined to talk or give information or express opinions
(adj): not charged with a bullet
(adj): vs. loaded) -- ((of weapons) not charged with ammunition
(v): keep the opposing (baseball) team from winning
(v): stop (someone or something) from doing something or being in a certain state
As a verb (or gerund) in North American sports reporting, to deny points to, to keep a clean sheet:
"It was the 30-year-old's 27th career blanking" - Vancouver Sun, 1-10-08