Thumb Tack; a Way to Mark a Map on a Wall
This page is the CodyCross answer for the clue below from Mesopotamia, Group 966, Puzzle 1 (Euphrates River).
Question is: Thumb Tack; a Way to Mark a Map on a Wall
and the answer is: PUSHPIN
Word Meaning:
PUSHPIN — (countable) A small pin with a head made for gripping with the fingers, to be pushed into a bulletin board so as to pin papers to it; especially, such a pin with a cylindrical head.
Definitions from Wiktionary.