\Hy*pot"e*nuse\, Hypothenuse \Hy*poth"e*nuse\, n. [L.
hypotenusa, Gr. ?, prob., subtending (sc. ?), fr. ? to
stretch under, subtend; ? under + ? to stretch. See
{Subtend}.] (Geom.)
The side of a right-angled triangle that is opposite to the
right angle.