verb
- Confine in a fold, like sheep.
- synonyms: fold
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). pen up. Retrieved September 21, 2026, from http://smartdefine.org/pen_up/definitions/1301022 |
| Chicago | WordNet. 2010. "pen up" http://smartdefine.org/pen_up/definitions/1301022 (accessed September 21, 2026). |
| Harvard | WordNet 2010, pen up, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/pen_up/definitions/1301022>. |
| MLA | WordNet. "pen up" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/pen_up/definitions/1301022> |