a place off to the side of an area
"he tripled to the rightfield corner"
"the southeastern corner of the Mediterranean"
the intersection of two streets
"standing on the corner watching all the girls go by"
The point where two converging lines meet; an angle, either external or internal.
"The surveyor carefully marked the corner where the property boundaries met to ensure the fence was built at a perfect right angle."
The space in the angle between converging lines or walls which meet in a point.
"The cat curled up snugly into the corner where the two walls met."
In plain English: A corner is the place where two walls meet to form an inside angle.
"Please turn left at the next corner to get to my house."
Usage: Use "corner" to describe a place where two walls meet in a room or where two streets intersect at a sharp turn. Do not use it for the general direction you are facing, as that requires words like "north" or "east."
To drive (someone or something) into a corner or other confined space.
"The security guards managed to trap the suspect in a narrow alleyway by closing off every exit."
In plain English: To corner someone means to trap them so they have no way out.
"The police cornered the suspect in an alleyway."
Usage: Use "to corner" when describing the act of trapping someone in a tight physical space or forcing them into a situation where they have no escape. Do not use it to mean simply turning a street corner, which requires the noun form instead.
A surname.
"The local bakery is owned by Mr. Corner from the next town over."
The word comes from the Old French term for a projecting point like a horn, which was borrowed into Middle English around 1200. While its original meaning referred to any sharp angle or tip, it eventually came to mean specifically the corner of a room or building in English.