But now, swollen with spring rains, the ditches of the Sunk were lipping to the overflow.
The first little rivulet that trickled forth from their lipping fulness would be the signal of their destruction.
A tongue of this type acts as an extra tenon and prevents the joint from "lipping" (becoming uneven) on the face side.
Fig. 216 is a scarfed joint with undercut vee'd ends which ...