dialdialdials1nouna round part of a clock or other piece of equipment with numbers or letters on it which shows the time, speed, temperature, etc.: Check the tyre pressure on the dial.dialdialdialsdialleddialeddiallingdialing2verb (British)dials, dialling, dialled) (Americandialing, dialed)to use a telephone by pushing buttons or turning the dial to call a number: You have dialled the wrong number. see Picture Dictionary for video