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
The Cincinnati Bearcats open the season in the top 25 and the Xavier Musketeers are right on the cusp of being ranked.
—
Jason Hoffman, The Enquirer, 1 Nov. 2024
In a 24-hour span last month, the Aggies went from the cusp of winning the College World Series to wondering how the Longhorns hired Schlossnagle so quickly.
—Mitch Sherman, The Athletic, 10 July 2024
Our nation is at the cusp of a historic opportunity: Finally rebuilding the domestic steel industry, growing jobs, and nurturing stronger communities after decades of neglecting our critical supply chains.
—David McCall, Fortune, 4 Oct. 2024
But as interest rates are on cusp of dropping, the bank stock gold rush could be coming to an end.
—Michael Del Castillo, Fortune, 16 Sep. 2024
See all Example Sentences for cusp 
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Jason Hoffman, The Enquirer, 1 Nov. 2024
In a 24-hour span last month, the Aggies went from the cusp of winning the College World Series to wondering how the Longhorns hired Schlossnagle so quickly.
—Mitch Sherman, The Athletic, 10 July 2024
Our nation is at the cusp of a historic opportunity: Finally rebuilding the domestic steel industry, growing jobs, and nurturing stronger communities after decades of neglecting our critical supply chains.
—David McCall, Fortune, 4 Oct. 2024
But as interest rates are on cusp of dropping, the bank stock gold rush could be coming to an end.
—Michael Del Castillo, Fortune, 16 Sep. 2024
See all Example Sentences for cusp
Dictionary Entries Near cusp
Cite this Entry
“Cusp.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cusp. Accessed 1 Dec. 2024.
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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