from The Century Dictionary and Cyclopedia
- n. A small sundial fitted into a box to be carried in the pocket, and so arranged that the gnomon of the dial may be adjusted to the meridian by means of an attached compass-needle.
Sorry, no etymologies found.
Filipino quartermaster gently swung the wheel from time to time in response to the direction of the needle on the illuminated compass-dial.
Having risen high enough to pass over the tallest tree or steeple, Rob put the indicator to the east of the compass-dial and at once began moving rapidly in that direction.