Illustration of cusp
- 1 cusp d
a
: a point of transition (as from one historical period to the next) : turning point
b
: either horn of a crescent moon
c
: a fixed point on a mathematical curve at which a point tracing the curve would exactly reverse its direction of motion
d
: an ornamental pointed projection formed by or arising from the intersection of two arcs or foils (see foil entry 2 sense 4)
e(1)
: a point on the grinding surface of a tooth
(2)
: a fold or flap of a cardiac valve
Examples of cusp in a Sentence
the cusp of a tooth
medical researchers who are on the cusp of a major breakthrough
Recent Examples on the Web
Or, to put it another way, Arne Slot has had better ideas during his 30-year career as a professional footballer and now a manager, which has brought him to the cusp of this season’s Premier League title with Liverpool.
—
Daniel Taylor, New York Times, 2 Apr. 2025
During Todd Golden’s rise to the cusp of the Final Four, Florida guard Will Richard has been by his coach’s side, serving as the foundation and glue for a once-rebuilding program.
—Edgar Thompson, The Orlando Sentinel, 28 Mar. 2025
Turns out, all those early hard knocks paid dividends for the younger Bech brother, propelling him to the cusp of an NFL career.
—Michael Marot, Chicago Tribune, 1 Mar. 2025
Right on the cusp of Aspen Mountain is the luxurious and sprawling St. Regis resort which, in the summer, has the best pool in town.
—Elise Taylor, Vogue, 8 Apr. 2025
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Daniel Taylor, New York Times, 2 Apr. 2025
During Todd Golden’s rise to the cusp of the Final Four, Florida guard Will Richard has been by his coach’s side, serving as the foundation and glue for a once-rebuilding program.
—Edgar Thompson, The Orlando Sentinel, 28 Mar. 2025
Turns out, all those early hard knocks paid dividends for the younger Bech brother, propelling him to the cusp of an NFL career.
—Michael Marot, Chicago Tribune, 1 Mar. 2025
Right on the cusp of Aspen Mountain is the luxurious and sprawling St. Regis resort which, in the summer, has the best pool in town.
—Elise Taylor, Vogue, 8 Apr. 2025
See All Example Sentences for cusp
Cite this Entry
“Cusp.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cusp. Accessed 28 Apr. 2025.
Copy CitationKids Definition
cusp
noun
: a point or pointed end or part: as
a
: either of the pointed ends of a crescent moon
b
: a point on the grinding surface of a tooth
c
: a fold or flap of a heart valve
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