Nestor n. : A genus of parrots with gray heads. of New Zeland and papua, allied to the cockatoos. See Kaka.

Example:
What role did Nestor play in advising the Greeks as they are about to give up?

Taxonomy
Nestor, traffic safety, video-based, monitoring systems, safety technology, best available technology, traffic safety systems, municipalities, United States and Canada, skilled team, safety solution, look no further, technology, school zones, work zones, neighborhood streets, family and friends, work and play.

Defination from the web:
Used to solve problems in risk management, automated control and computer-aided data entry.