a loud, unpleasant, and prolonged noise

the fans made an awful din

make (someone) learn or remember an idea by constant repetition

a runner-up, he dinned into them, was a loser

make a loud, unpleasant, and prolonged noise

the sound dinned irritatingly into Marian's head

any of a series of technical standards originating in Germany and used internationally, especially to designate electrical connections, film speeds, and paper sizes

a DIN socket