- (n.) The point or horn of the crescent moon or other crescent-shaped luminary.
- (n.) A multiple point of a curve at which two or more branches of the curve have a common tangent.
- (n.) A triangular protection from the intrados of an arch or from an inner curve of tracery.
- (v.t.) To furnish with a cusp or cusps.
- (n.) A prominence or point, especially on the crown of a tooth.
- (n.) A sharp and rigid point.
- (n.) The beginning or first entrance of any house in the calculations of nativities, etc.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). cusp. Retrieved September 22, 2026, from http://smartdefine.org/cusp/definitions/1993924 |
| Chicago | Webster's. 2011. "cusp" http://smartdefine.org/cusp/definitions/1993924 (accessed September 22, 2026). |
| Harvard | Webster's 2011, cusp, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/cusp/definitions/1993924>. |
| MLA | Webster's. "cusp" 27 May 2011. Web. 22 September 2026. <http://smartdefine.org/cusp/definitions/1993924> |