noun
- A tack for attaching papers to a bulletin board or drawing board.
- synonyms: drawing pin, pushpin
verb
- Fasten with thumbtacks.
- usage: "The teacher thumbtacked the notice on the bulletin board"
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). thumbtack. Retrieved September 21, 2026, from http://smartdefine.org/thumbtack/definitions/1208995 |
| Chicago | WordNet. 2010. "thumbtack" http://smartdefine.org/thumbtack/definitions/1208995 (accessed September 21, 2026). |
| Harvard | WordNet 2010, thumbtack, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/thumbtack/definitions/1208995>. |
| MLA | WordNet. "thumbtack" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/thumbtack/definitions/1208995> |