D defs.my
Entry 1 sense Webster, 1913

Hypotenuse

· Hy·pot·e·nuse · IPA /haɪˈpɑtənus/
01 n. The side of a right-angled triangle that is opposite to the right angle.
  1. 1.
    The side of a right-angled triangle that is opposite to the right angle.(Geom.)