dial

Short definition from Wiktionary

Noun

1. 1
   A graduated, circular scale over which a needle moves to show a measurement (such as speed).
2. 2
   A graduated, circular scale over which a needle moves to show a measurement (such as speed): Such a field as part of a clock face; (metonymic) the entire clock face.
3. 3
   A sundial.
4. 4
   A panel on a radio etc showing wavelengths or channels; a knob that is turned to change the wavelength etc.
5. 5
   A disk with finger holes on a telephone; used to select the number to be called.
6. 6
   A person's face.
7. 7
   A miner's compass.

Verb

1. 1
   To control or select something with a dial, or (figuratively) as if with a dial.
2. 2
   To select a number, or to call someone, on a telephone, regardless of whether a physical dial is present.
3. 3
   To use a dial or a telephone.
4. 4
   To initiate a connection to a remote computer service such as a database.

Proper noun

1. 1
   A surname.