crown-of-thorns: meaning, definition, pronunciation and examples
C1Technical (marine biology), Formal/Religious (Biblical context), Specialist (horticulture)
Quick answer
What does “crown-of-thorns” mean?
A spiny, venomous starfish (Acanthaster planci) that preys on coral reefs, often causing significant ecological damage.
Audio
Pronunciation
Definition
Meaning and Definition
A spiny, venomous starfish (Acanthaster planci) that preys on coral reefs, often causing significant ecological damage.
Any of several thorny plants, especially Euphorbia milii; A representation of the crown of thorns placed on Jesus's head before his crucifixion, used figuratively for a painful burden or ordeal.
Dialectal Variation
British vs American Usage
Differences
No significant lexical or grammatical differences. Spelling remains hyphenated in both varieties. The marine biology sense is predominant in scientific contexts globally.
Connotations
Identical core connotations of suffering (Biblical) and destruction (marine).
Frequency
The term is low-frequency in both varieties, but slightly more likely to appear in British media in a horticultural context. American media may reference it more in reports on Great Barrier Reef ecology.
Grammar
How to Use “crown-of-thorns” in a Sentence
The [NOUN: crown-of-thorns] is [VERB: destroying] the reef.An [ADJ: extensive] crown-of-thorns [NOUN: outbreak] was reported.They are trying to [VERB: control] the crown-of-thorns.Vocabulary
Collocations
Examples
Examples of “crown-of-thorns” in a Sentence
verb
British English
- The reef was absolutely crown-of-thornsed by the infestation.
- (Note: highly informal/non-standard verbal use)
American English
- The outbreak is threatening to crown-of-thorns the entire coastal ecosystem.
adjective
British English
- They faced a crown-of-thorns dilemma with no good solution.
- The crown-of-thorns crisis required immediate funding.
American English
- The project became a crown-of-thorns issue for the administration.
- It was a crown-of-thorns situation for the conservation team.
Usage
Meaning in Context
Business
Rare. Possibly in tourism (e.g., 'The crown-of-thorns outbreak is affecting dive tourism revenues').
Academic
Common in marine biology and ecology papers; also in theological studies.
Everyday
Uncommon. Might appear in news about the Great Barrier Reef or in religious discussion.
Technical
Standard term in marine biology for the starfish species; also in horticulture for specific plants.
Vocabulary
Synonyms of “crown-of-thorns”
Strong
Neutral
Weak
Watch out
Common Mistakes When Using “crown-of-thorns”
- Using 'crown of thorns' without hyphens in compound noun contexts (e.g., 'a crown of thorns starfish' is ambiguous).
- Confusing the marine species with other starfish.
- Capitalising it as a proper noun when not referring specifically to the Biblical artifact.
FAQ
Frequently Asked Questions
Yes, its spines are venomous and can inflict very painful wounds, though they are rarely fatal.
The starfish is covered in long, sharp spines, reminiscent of the thorny crown placed on Jesus in the Biblical narrative.
Yes, Euphorbia milii is a popular houseplant, but its sap can be a skin irritant, and it has sharp thorns.
When used as a compound noun or adjective preceding another noun (e.g., crown-of-thorns starfish), hyphens are standard. In looser descriptions ('a crown made of thorns'), it may not be.
A spiny, venomous starfish (Acanthaster planci) that preys on coral reefs, often causing significant ecological damage.
Crown-of-thorns is usually technical (marine biology), formal/religious (biblical context), specialist (horticulture) in register.
Crown-of-thorns: in British English it is pronounced /ˌkraʊn əv ˈθɔːnz/, and in American English it is pronounced /ˌkraʊn əv ˈθɔːrnz/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “To bear a crown-of-thorns (to endure a great burden or suffering).”
Learning
Memory Aids
Mnemonic
Imagine a king's CROWN made of sharp THORNS – it's painful (like the Biblical story) and destructive (like the starfish eating coral 'castles').
Conceptual Metaphor
SUFFERING/PAIN IS A PHYSICAL CROWN; DESTRUCTION IS A RAVENOUS BEAST.
Practice
Quiz
In which context is 'crown-of-thorns' LEAST likely to be used?