strobilus

/stɹəʊ̯ˈbaɪ̯.ləs/

//stɹəʊ̯ˈbaɪ̯.ləs// noun

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

The verdict

“strobilus” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency English
9
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 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...

Corpus desk

Index EN-strobilus · strobilus · English

strobilus · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 9 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "S" thin
  • PHOTO-UNK Peer pending

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

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

Long-tail rank of “strobilus” in English

strobilusfalls 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.

Rare enough to double-check

strobilus is uncommon English outside the top frequency list, classed as anoun, transcribed /stɹəʊ̯ˈbaɪ̯.ləs/. Rarity is why readers land here mid-draft. 4 senses are on record.

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.

Recorded use

Wiktionary examples

These source excerpts show how strobilus appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. The strobilus in Selaginella is the sporangia-bearing region of the sporophyte. The sporangia arise in the axils of leaves called the sporophylls.
  2. As a term, female strobilus refers to the stage prior to pollination... The strobilus emerges slowly from its bud then its scales flex open. Once pollinated the strobilus now becomes a conelet. At fertilization the conelet becomes a cone.

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.

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

Source: FrequencyWords open word-frequency list