CUSP
Here are the details, including the meaning, point value, and more about the Scrabble word CUSP. Below
cusp is worth 8 points in the game of Scrabble
Definitions for the word, cusp
(n.) A multiple point of a curve at which two or more branches of the curve have a common tangent.
(n.) A prominence or point, especially on the crown of a tooth.
(n.) A sharp and rigid point.
(n.) A triangular protection from the intrados of an arch, or from an inner curve of tracery.
(n.) The beginning or first entrance of any house in the calculations of nativities, etc.
(n.) The point or horn of the crescent moon or other crescent-shaped luminary.
(v. t.) To furnish with a cusp or cusps.