Definition of cusp

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  • cusp is a valid Scrabble US word with a point value of 8
  • cusp is a valid Scrabble UK word with a point value of 8
  • cusp is a valid Words with friends word with a point value of 11

Definition of cusp

  • a thin triangular flap of a heart valve (noun)

    Synonyms

    1. leaflet
  • point formed by two intersecting arcs (as from the intrados of a Gothic arch) (noun)
  • small elevation on the grinding surface of a tooth (noun)

See definition of cusp in Merriam Webster