D defs.my
Entry 1 sense Webster, 1913

Countergage

/(-gāj`)/ · Coun·ter·gage · IPA
01 n. An adjustable gage, with double points for transferring measurements from one timber to another, as the breadth of a mortise to the place w…
  1. 1.
    An adjustable gage, with double points for transferring measurements from one timber to another, as the breadth of a mortise to the place where the tenon is to be made.(Carp.)