boa constrictor

noun

"boa-constrictor" is a 14-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
15
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A large tropical American snake, Boa constrictor, that kills its prey by squeezing them.

Key facts for boa constrictor
PropertyValue
Headwordboa constrictor
LanguageEnglish
Part of speechNoun
Letters15
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “boa constrictor” sits in English frequency

boa constrictor 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.

Rare enough to double-check

boa constrictor is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. 2 senses are on record.

Our edit-distance generator produced no likely misspellings for boa constrictor, and the word's spelling is regular enough that our generator found nothing worth flagging. This entry stands alone in our confusable dataset, which tends to mean the word is visually distinctive enough to stand on its own.

Etymologically, the entry records: Unadapted borrowing from New Latin Boa constrictor. The correct English form is boa constrictor, spelled B-O-A- -C-O-N-S-T-R-I-C-T-O-R.

Definition

  1. 1
    A large tropical American snake, Boa constrictor, that kills its prey by squeezing them.
  2. 2
    Any large boa or python.

Etymology

Unadapted borrowing from New Latin Boa constrictor.

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 "boa constrictor"?
"boa constrictor" is spelled B-O-A- -C-O-N-S-T-R-I-C-T-O-R.
What does "boa constrictor" mean?
As a noun, "boa constrictor" means: A large tropical American snake, Boa constrictor, that kills its prey by squeezing them.
What is the origin of the word "boa constrictor"?
Unadapted borrowing from New Latin Boa constrictor. 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 “boa constrictor”

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

  • The one correct English spelling is B-O-A- -C-O-N-S-T-R-I-C-T-O-R - every other letter order is a misspelling in standard orthography.
  • 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