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cusp

play
noun \ˈkəsp\

Simple Definition of cusp

  • : a pointed end or part where two curves meet

Full Definition of cusp

  1. :  point, apex: as a :  a point of transition (as from one historical period to the next) :  turning point; also :  edge, verge <on the cusp of stardom> 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 e (1) :  a point on the grinding surface of a tooth (2) :  a fold or flap of a cardiac valve

cus·pate play \ˈkəs-ˌpāt, -pət\ adjective
cusped play \ˈkəspt\ adjective

Examples of cusp

  1. the cusp of a tooth

  2. <medical researchers who are on the cusp of a major breakthrough>



Illustration of cusp

Origin of cusp

Latin cuspis point


First Known Use: 1585



CUSP Defined for Kids

cusp

play
noun \ˈkəsp\

Definition of cusp

  1. :  a point or pointed end <the cusp of a tooth>




Medical Dictionary

cusp

play
noun \ˈkəsp\

Medical Definition of cusp

  1. 1:  a point on the grinding surface of a tooth

  2. 2:  a fold or flap of a cardiac valve

  3. cus·pal \ˈkəs-pəl\play adjective





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of, relating to, or suggestive of marble

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