› MEASURES a mean number is the result you get by adding two or more amounts together and dividing the total by the number of amounts: The mean weight of the crates is 76.4 kilos. The table above shows the mean price per dozen of large grade A eggs.
› unkind: be mean to sb If she's ever mean to staff, she always apologizes afterwards.
› not generous: be mean with sth My boss is well known for being mean with money.