cusp.
A sharp point or pointed end.
Meaning & usage
A sharp point or pointed end.
An important moment when a decision is made that will determine future events.
A point of a curve where the curve is continuous but has no derivative, but such that it has a derivative at every nearby point.
A point made by the intersection of two curved lines or curved structures, a common motif in Gothic architecture.
A boundary between zodiacal signs and houses.
Any of the pointed parts of a canine tooth or molar.
A flap of a valve of a heart or blood vessel.
A point of transition.
Where this word comes from
From Latin cuspis (“a point, spear, pointed end”); first used in astrology. Doublet of cuspid and cuspis.
To behave in a reckless or dangerous manner.
Where this word comes from
From Latin cuspis (“a point, spear, pointed end”); first used in astrology. Doublet of cuspid and cuspis.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.