Corner/ˈkɔːrnər/ Definition 1 of 5Pro Tip 1/3Meeting Point Visualize 'corner' as the point where two lines meet, forming an 'L' shape. We'll meet at the corner of 5th Avenue and 10th Street. Pro Tip 2/3Common Phrases 'Corner' is often used with prepositions like 'in' or 'around' to indicate location. She placed the vase in the corner of the living room. Pro Tip 3/3Not Always Physical Sometimes 'corner' refers to an abstract idea like a 'corner of one's mind'. In a corner of my mind, I knew it was a bad idea.