Definition of "blank space" [blank space]

• A blank area (noun)

WordNet. Princeton University. 2010.

• "First France undermined the Anglo-Congolese treaty by forcing Belgium to scale back its claims, reopening a blank space on the map of the Gazelle River."
• "In a triumph of inclusive self-differentiation, eleven other racial groups are listed, from “Asian Indian” to “Samoan,” with blank space left for anyone to write in “Some other race.”"
• "Now the poster said “LIAM’S WORD,” with a blank space where the second L should be."