Dialing
Pronunciation : Di"al*ing
Part of Speech : n.
Definition : 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.
Source : Webster's Unabridged Dictionary, 1913