#point.convex_shape__tip  a V shape; "the cannibal's teeth were filed to sharp points"
  supertype:  convex_shape__convexity  a shape that curves or bulges outward
  part of:  alpenstock  arrowhead  knife.weapon_system  pencil  sword  cone_shape
  subtype:  widow's_peak__widow'speak  a V-shaped point in the hairline in the middle of the forehead
  subtype:  cusp.point  small elevation on the grinding surface of a tooth
  subtype:  head.point  the tip of an abscess (where the pus accumulates)

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