cusp

Noun
  1. Point formed by two intersecting arcs (as from the intrados of a Gothic arch) (synset 103156582)
    is a type of: point - sharp end
  2. A thin triangular flap of a heart valve (synset 105396968)
    is a type of: flap - a movable piece of tissue partly connected to the body
    is a part of: cardiac valve, heart valve - a valve to control one-way flow of blood
    same as: leaflet
  3. Small elevation on the grinding surface of a tooth (synset 105315020)
    is a type of: peak, point, tip - a V shape
    is a part of: tooth - hard bonelike structures in the jaws of vertebrates; used for biting and chewing or for attack and defense

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