- (n.) A small opening; a small depression or cavity; a space, as a vacant space between the cells of plants or one of the spaces left among the tissues of the lower animals, which serve in place of vessels for the circulation of the body fluids or the cavity or sac, usually of very small size, in a mucous membrane.
- (n.) A small opening; a small pit or depression; a small blank space; a gap or vacancy; a hiatus.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). lacuna. Retrieved September 24, 2026, from http://smartdefine.org/lacuna/definitions/2026170 |
| Chicago | Webster's. 2011. "lacuna" http://smartdefine.org/lacuna/definitions/2026170 (accessed September 24, 2026). |
| Harvard | Webster's 2011, lacuna, Smart Define, viewed 24 September, 2026, <http://smartdefine.org/lacuna/definitions/2026170>. |
| MLA | Webster's. "lacuna" 27 May 2011. Web. 24 September 2026. <http://smartdefine.org/lacuna/definitions/2026170> |