add. ·noun any lath laid without actual measurement between two gauged laths.
2. counterlath ·add. ·noun a batten laid lengthwise between two rafters to afford a bearing for laths laid crosswise.
3. counterlath ·add. ·noun any of a series of laths nailed to the timbers to raise the sheet lathing above their surface to afford a key for plastering.
4. counterlath ·add. ·noun one of many laths used in preparing one side of a partition or framed wall, when the other side has been covered in and finished.