Kathetal

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Kathetal \Kath"e*tal\, a. [Gr. ? a perpendicular line. See
     {Cathetus}.] (Math.)
     Making a right angle; perpendicular, as two lines or two
     sides of a triangle, which include a right angle.
     [1913 Webster]