thumbtack
A pin used to attach items (papers, photos, etc.) to a display such as a bulletin board.
A thumbtack has a flat head. If the pin has a round, spool-shaped, or otherwise non-flat head, use pushpin.
Aliases: none
A pin used to attach items (papers, photos, etc.) to a display such as a bulletin board.
A thumbtack has a flat head. If the pin has a round, spool-shaped, or otherwise non-flat head, use pushpin.