Definition of ostrich fern
: any of a genus (Matteuccia) of temperate-zone ferns; especially : a tall fern (M. struthiopteris) with graceful arched fronds which are the source of edible fiddleheads
First Known Use of ostrich fern
Seen and Heard
What made you want to look up ostrich fern? Please tell us where you read or heard it (including the quote, if possible).