from The Century Dictionary and Cyclopedia
- n. A scribbling-gage having two points which can be adjusted to the required distance of the mortise or tenon from the working-edge, as well as to the width of the mortise and the size of the tenon.
Sorry, no etymologies found.
The _mortise-gage_, Fig. 217, is a marking-gage with two spurs, with which two parallel lines can be drawn at once, as in laying out mortises.