- (n.) A tract of land shaped like the letter delta (/), especially when the land is alluvial and inclosed between two or more mouths of a river; as, the delta of the Ganges, of the Nile or of the Mississippi.
- (n.) The fourth letter of the Greek alphabet (/ /), answering to D.
- (n.) an object having the shape of the capital /.
- (n.) The closed figure produced by connecting three coils or circuits successively, end for end, especially in a three-phase system; -- often used attributively, as delta winding, delta connection (which see), etc.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). delta. Retrieved September 21, 2026, from http://smartdefine.org/delta/definitions/1995761 |
| Chicago | Webster's. 2011. "delta" http://smartdefine.org/delta/definitions/1995761 (accessed September 21, 2026). |
| Harvard | Webster's 2011, delta, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/delta/definitions/1995761>. |
| MLA | Webster's. "delta" 27 May 2011. Web. 21 September 2026. <http://smartdefine.org/delta/definitions/1995761> |