dial
noun
the face of a timepiece; graduated to show the hours
the control on a radio or television set that is used for tuning
the circular graduated indicator on various measuring instruments
a disc on a telephone that is rotated a fixed distance for each number called
Synonymstelephone dial
verb
operate a dial to select a telephone number
“You must take the receiver off the hook before you dial”
choose by means of a dial
“dial a telephone number”
Source: WordNet 3.1, Princeton University