ostriches is a form of:

Ostrich



noun
1.
(FRENCH) (A large swift trussing bird. it can run swiftly but cannot fly) អូទ្រូស (សត្វស្លាបយ៉ាងធំម៉្យាងមិន ចេះហើរតែរត់លឿនណាស់)
ENGLISH MEANING
noun
1.
A large bird of the genus Struthio, of which Struthio camelus of Africa is the best known species. It has long and very strong legs, adapted for rapid running; only two toes; a long neck, nearly bare of feathers; and short wings incapable of flight. The adult male is about eight feet high.