What is Corner ?
Corner is (noun) 1. a place where two walls, sides or streets meet The bank is on the corner of London Road and New Street. Put the plant in the corner of the room nearest the window. The number is in the top right-hand corner of the page. The motorbike went round the corner at top speed. to paint yourself into a corner to get yourself into a situation that you cannot get out of 2. a free kick taken from the corner of the field near the opponents’ goal in games such as football(verb) 1. to turn a corner This new model corners very well. 2. to catch someone so that they cannot get away The police cornered the escaped prisoners in an alleyway. 3. to corner the market to own most or all of the supply of a certain thing and so control the price The syndicate tried to corner the market in silver. to turn the corner 1. to go round a corner As she turned the corner she saw the bus coming. 2. to get better after being ill or in difficulties He has been in bed for weeks, but he seems to have turned the corner.
source: Easier English, Student Dictionary Upper Intermediate Level