noun
- Structural member consisting of a continuous horizontal timber forming the lowest member of a framework or supporting structure.
- synonyms: sill
- Geology) a flat (usually horizontal) mass of igneous rock between two layers of older sedimentary rock.
- synonyms: sill
- United States operatic soprano (born in 1929. ).
- synonyms: Beverly Sills, Belle Miriam Silverman
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). sills. Retrieved September 20, 2026, from http://smartdefine.org/sills/definitions/1234928 |
| Chicago | WordNet. 2010. "sills" http://smartdefine.org/sills/definitions/1234928 (accessed September 20, 2026). |
| Harvard | WordNet 2010, sills, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/sills/definitions/1234928>. |
| MLA | WordNet. "sills" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/sills/definitions/1234928> |