You searched for: “cetaceous
cetaceous (adjective) (not comparable)
Descriptive of any of a number of large marine organisms with long hairless bodies and fins: The whale is among the largest of the cetaceous mammals in the sea.
This entry is located in the following unit: -aceous, -acea, -aceae, -aceaen, -aceus (page 3)
cetaceous
This entry is located in the following unit: ceto-, cet-, -cete, -ceti (page 1)
cetaceous, setaceous
cetaceous (si TAY shuhs) (adjective)
Descriptive of any of a number of large marine mammals with long bodies, fins, and hairless bodies: The whale is among the largest of the cetaceous mammals in the sea.
setaceous (si TAY shuhs) (adjective)
A reference to objects consisting of or made with bristles: The curry brush for the horse was setaceous with bristles from pigs.

Whalebone is the horny substance from the upper jaw of a cetaceous mammal. It is used to stiffen fabric for the clothing of women, and it might also have been used for the setaceous construction of industrial brushes.