Source : Webster's Revised Unabridged Dictionary (1913)

Dial \Di"al\, v. t. [imp. & p. p. {Dialed}or {Dialled}; p. pr. &
   vb. n. {Dialing} or {Dialling}.]
   1. To measure with a dial.

            Hours of that true time which is dialed in heaven.
                                                  --Talfourd.

   2. (Mining) To survey with a dial. --Raymond.

Dialing \Di"al*ing\, n.
   1. The art of constructing dials; the science which treats of
      measuring time by dials. [Written also {dialling}.]

   2. A method of surveying, especially in mines, in which the
      bearings of the courses, or the angles which they make
      with each other, are determined by means of the
      circumferentor.