[n] the face of a timepiece; graduated to show the hours
[n] a disc on a telephone that is rotated a fixed distance for each number called
[n] the circular graduated indicator on various measuring instruments
[n] the control on a radio or television set that is used for tuning
[v] choose by means of a dial; "dial a telephone number"
[v] operate a dial to select a telephone number; "You must take the receive off the hook before you dial"