dial
Pronunciation: /dʌɪəl/
noun
- a face of a clock or watch that is marked to show units of time.
- a flat plate with a scale and pointer for showing measurements of weight, volume, or pressure.
- a disc with numbered finger holes on a telephone, rotated a particular distance for each digit of the number being called.
- a plate or disc turned to select a setting on a radio, cooker, or other piece of equipment.
- British informal a person’s face: he must be one of the new batch—I haven’t seen his dial before
verb ( dials, dialling, dialled; US dials, dialing, dialed)


Origin:
Middle English (denoting a mariner's compass): from medieval Latin diale 'clock dial', based on Latin dies 'day'

Spelling rule
Double the l when adding endings which begin with a vowel to words which end in a vowel plus l (as in travel):