strobilus

/stɹəʊ̯ˈbaɪ̯.ləs/

//stɹəʊ̯ˈbaɪ̯.ləs// noun

"strobilus" is a 9-letter English headword indexed on PlainSpell.

The verdict

“strobilus” is outside the top-ranked English vocabulary, used as a noun - the kind of word writers most often double-check.

Unranked
below top-frequency English
9
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A cone-shaped fruiting body sensu stricto of gymnosperms and vascular plants other than angiosperms, bearing either seeds or spores, but sensu lato may refer to similarly structured catkins and con...

Key facts for strobilus
PropertyValue
Headwordstrobilus
LanguageEnglish
Part of speechNoun
IPA/stɹəʊ̯ˈbaɪ̯.ləs/
Letters9
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “strobilus” sits in English frequency

strobilus falls outside the top-100,000 ranked English words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The English entry for strobilus is 9 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /stɹəʊ̯ˈbaɪ̯.ləs/. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. Wiktionary records 4 distinct senses for this headword, so context determines which meaning a reader should apply.

We couldn't generate a plausible misspelling set for strobilus, and the word's spelling is regular enough that our generator found nothing worth flagging. We don't track a confusable pairing for this entry, which tends to mean the word is visually distinctive enough to stand on its own.

Etymologically, the entry records: Borrowed from Late Latin strobīlus (“pine cone”), borrowed from Ancient Greek στρόβῑλος (stróbīlos, “twisted object, pine cone”), from στρόβος (stróbos, “whirl”). According to Liddell and Scott, 8th ed. 1882: of various meanings such as a pine-cone, somethi… The correct English form is strobilus, spelled S-T-R-O-B-I-L-U-S.

Definition

  1. 1
    A cone-shaped fruiting body sensu stricto of gymnosperms and vascular plants other than angiosperms, bearing either seeds or spores, but sensu lato may refer to similarly structured catkins and cones in angiosperms; usage arbitrary according to preferences of various authorities.
  2. 2
    A cone-shaped fruiting body sensu stricto of gymnosperms and vascular plants other than angiosperms, bearing either seeds or spores, but sensu lato may refer to similarly structured catkins and cones in angiosperms; usage arbitrary according to preferences of various authorities.
  3. 3
    A cone-shaped fruiting body sensu stricto of gymnosperms and vascular plants other than angiosperms, bearing either seeds or spores, but sensu lato may refer to similarly structured catkins and cones in angiosperms; usage arbitrary according to preferences of various authorities.
  4. 4
    A strobila, a layered reproductive stage in jellyfish, in which the swimming medusa form is produced.

Etymology

Borrowed from Late Latin strobīlus (“pine cone”), borrowed from Ancient Greek στρόβῑλος (stróbīlos, “twisted object, pine cone”), from στρόβος (stróbos, “whirl”). According to Liddell and Scott, 8th ed. 1882: of various meanings such as a pine-cone, something screwed up into a lump like a pine-cone, a pine tree and more.

This word in other languages

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "strobilus"?
"strobilus" is spelled S-T-R-O-B-I-L-U-S. The IPA pronunciation is /stɹəʊ̯ˈbaɪ̯.ləs/.
What does "strobilus" mean?
As a noun, "strobilus" means: A cone-shaped fruiting body sensu stricto of gymnosperms and vascular plants other than angiosperms, bearing either seeds or spores, but sensu lato may refer to similarly structured catkins and con...
How do you pronounce "strobilus"?
The IPA (International Phonetic Alphabet) transcription for "strobilus" is /stɹəʊ̯ˈbaɪ̯.ləs/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "strobilus"?
Borrowed from Late Latin strobīlus (“pine cone”), borrowed from Ancient Greek στρόβῑλος (stróbīlos, “twisted object, pine cone”), from στρόβος (stróbos, “whirl”). According to Liddell and Scott, 8th ed. 1882: of various meanings such as a pine-con... See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Using “strobilus”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is S-T-R-O-B-I-L-U-S - every other letter order is a misspelling in standard orthography.
  • Say it as /stɹəʊ̯ˈbaɪ̯.ləs/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Browse more English words and confusable pairs in the same reference. English words
Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list