Dictionary entry

Hypotenuse

Webster's Dictionary 1913

{ Hy‐pot″e‐nuse (?), 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.