WAYMARK

wa'-mark (tsyun): In Jeremiah 31:21, "Set thee up waymarks," explained by the parallel, "Make thee guide-posts" (the King James Version "Make thee high heaps"). A sign or guiding mark on the highway.

From the International Standard Bible Encyclopedia
Edited by James Orr, published in 1939 by Wm. B. Eerdmans Publishing Co.