pushpin

Etymology
From.

Noun

 * 1)  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.
 * 2)  An old children's game where pins are placed on a table and each player tries to push his pin so as to cross the other's.
 * 1)  An old children's game where pins are placed on a table and each player tries to push his pin so as to cross the other's.
 * 1)  An old children's game where pins are placed on a table and each player tries to push his pin so as to cross the other's.
 * 1)  An old children's game where pins are placed on a table and each player tries to push his pin so as to cross the other's.

Verb

 * 1)  To fasten with a thumbtack.