Kagu \Ka"gu\, n. (Zool.)
A singular, crested, grallatorial bird {(Rhinochetos
jubatus)}, native of New Caledonia. It is gray above, paler
beneath, and the feathers of the wings and tail are
handsomely barred with brown, black, and gray. It is allied
to the sun bittern.
[1913 Webster]