Noun vertex has 2 senses
  1. vertex - the point of intersection of lines or the point opposite the base of a figure
    --1 is a kind of
    intersection, intersection point, point of intersection
  2. vertex, peak, apex, acme - the highest point (of something); "at the peak of the pyramid"
    --2 is a kind of extreme point, extreme, extremum
    --2 has particulars: crown; roof peak
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TOP