Cathetus

1 definition found

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

  Cathetus \Cath"e*tus\, n.; pl. {catheti}. [L., fr. Gr. ? a
     perpendicular line, fr. ? let down, fr. ?. See {Catheter}.]
     (Geom.)
     One line or radius falling perpendicularly on another; as,
     the catheti of a right-angled triangle, that is, the two
     sides that include the right angle. --Barlow.


     [1913 Webster]