a. A large, swift-running flightless bird (Struthio camelus) of Africa, characterized by a long bare neck, small head, and two-toed feet. It is the largest living bird.
b. a person who refuses to recognize the truth, reality
The Ostrich Syndrome:
A peculiar condition marked by the person making absolutely nonsensical statements displaying pure stupidity and lack of common sense akin to a ostrich with the head in ground. The person displays a tendency not only to put his foot in the mouth but to never take it out either, repeatedly
Addo Elephant Park, Eastern Cape, South Africa.