Source : Webster's Revised Unabridged Dictionary (1913)

Krait \Krait\, n. [Native name.] (Zo["o]l.)
   A very venomous snake of India ({Bungarus c[oe]ruleus}),
   allied to the cobra. Its upper parts are bluish or brownish
   black, often with narrow white streaks; the belly is whitish.

Source : WordNet®

krait
     n : brightly colored venomous but nonaggressive snake of
         southeastern Asia and Malay peninsula