noun
- A case or sheath especially a pollen sac or moss capsule.
- synonyms: sac
- Outer sheath of the pupa of certain insects. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). theca. Retrieved September 21, 2026, from http://smartdefine.org/theca/definitions/1197040 |
| Chicago | WordNet. 2010. "theca" http://smartdefine.org/theca/definitions/1197040 (accessed September 21, 2026). |
| Harvard | WordNet 2010, theca, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/theca/definitions/1197040>. |
| MLA | WordNet. "theca" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/theca/definitions/1197040> |