COUNTERLATH
Coun"ter*lath`, n. (Building)
(a) A batten laid lengthwise between two rafters to afford a bearing
for laths laid crosswise.
(b) Any lath laid without actual measurement between two gauged
laths.
(c) Any of a series of laths nailed to the timbers to raise the
sheet lathing above their surface to afford a key for plastering.
(d) 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.
Source: Webster’s Unabridged Dictionary 1913 Edition