COCKATOO n. 2 definitions
A bird of the Parrot family, of the subfamily Cacatuinæ, having a short, strong, and much curved beak, and the head ornamented with a crest, which can be raised or depressed at will. There are several genera and many species; as the broad-crested (Plictolophus, or Cacatua, cristatus), the sulphur-crested (P. galeritus)…
CONTOUR n.
rtification. Contour feathers (Zoöl.), those feathers that form the general covering of a bird. -- Contour of ground (Surv.), the outline of the surface of ground with respect to its undulation, etc. -- Contour line (Topographical Suv.), the line in which a horizontal plane intersects a portion of ground, or the corr…