ostrich : Idioms & Phrases

• a farm on which ostriches are bred for the sake of their feathers, oil, eggs, etc.

Webster 1913

• the occupation of breeding ostriches for the sake of their feathers, etc.

Webster 1913

• noun tall fern of northern temperate regions having graceful arched fronds and sporophylls resembling ostrich plumes
  Onoclea struthiopteris; shuttlecock fern; Pteretis struthiopteris; Matteuccia struthiopteris; fiddlehead.
  

WordNet

• (Bot.) a kind of fern (Onoclea Struthiopteris), the tall fronds of which grow in a circle from the rootstock. It is found in alluvial soil in Europe and North America.

Webster 1913