SINCE 1828

An Encyclopædia Britannica Company

ostrich fern

noun

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

1833

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).

show

WORD OF THE DAY

waif

play

an extremely thin woman

Words at Play

watercolor-squares

We're Down With You Being—or Your Being?—a Square

It's about (you? your?) having your say.

Devilish Words

Don't blame a word use error on the devil.

alt-599492594f435

How 'Wonderful' Lost Its Sense of Wonder

A case of semantic bleaching

dog-covering-face

Don't Let Reading This Be Another 'Coulda' 'Shoulda' 'Woulda'

PSA: They're three separate words.

Ask the Editors

video-title-words-of-the-year-1066

Words of the Year: 1066

Or, Why Pig Meat is Called 'Pork' and Cow Meat is Called 'Beef'

How Often Is 'Biweekly'?

Don't get us started on 'bimonthly'

video-irregardless-grammar-peeve-blend-of-the-synonyms-irrespective-and-regardless

Irregardless

It is in fact a real word (but that doesn't mean you should use it).

video-moose-goose-weird-plurals

Weird Plurals

One goose, two geese. One moose, two... moose. What's up with that?

Word Games

time-traveler-quiz-which-word-came-first

Time Traveler Quiz: Which Word Came First?

Which word entered the English language first?

Take the quiz

Name More Food!

Test your knowledge of food vocabulary!

Take the quiz

How Strong Is Your Vocabulary?

How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

Take the quiz

Dictionary Devil

Dictionary Devil

The dictionary has been scrambled—can you put it back together?

Play the game