arrowworm: meaning, definition, pronunciation and examples
Rare / Very Low FrequencyScientific / Technical
Quick answer
What does “arrowworm” mean?
A small, transparent, predatory marine worm of the phylum Chaetognatha, characterized by its elongated, arrow-shaped body.
Audio
Pronunciation
Definition
Meaning and Definition
A small, transparent, predatory marine worm of the phylum Chaetognatha, characterized by its elongated, arrow-shaped body.
In ecological and marine biology contexts, it refers to a key planktonic predator that is an important component of marine food webs and a potential indicator species. Informally, the name may simply denote its distinctive physical shape.
Dialectal Variation
British vs American Usage
Differences
No significant differences in meaning or usage. The spelling is consistent. Scientific literature is international.
Connotations
None beyond its scientific referent.
Frequency
Equally rare and specialized in both varieties, confined to marine biology and oceanography.
Grammar
How to Use “arrowworm” in a Sentence
The [ADJECTIVE] arrowworm [VERB]...Arrowworms are [ADJECTIVE/PARTICIPLE]...Vocabulary
Collocations
Usage
Meaning in Context
Business
Not used.
Academic
Used in marine biology, zoology, and oceanography papers and textbooks.
Everyday
Virtually never used.
Technical
The primary context. Used to describe a specific phylum of zooplankton.
Vocabulary
Synonyms of “arrowworm”
Neutral
Weak
Watch out
Common Mistakes When Using “arrowworm”
- Confusing it with other types of marine worms (e.g., nematodes, polychaetes).
- Using it as a general term for any thin, pointed animal.
FAQ
Frequently Asked Questions
No, despite the name, arrowworms (Chaetognatha) constitute their own distinct phylum and are not closely related to annelids or other true worms.
They are found globally in marine environments, from surface waters to the deep sea, and are a major component of the plankton.
They are voracious predators of copepods and other zooplankton, playing a crucial role in transferring energy up the marine food web.
Most are a few millimetres to a few centimetres long and are translucent, making them difficult to see without magnification, though larger species may be visible.
A small, transparent, predatory marine worm of the phylum Chaetognatha, characterized by its elongated, arrow-shaped body.
Arrowworm is usually scientific / technical in register.
Arrowworm: in British English it is pronounced /ˈær.əʊ.wɜːm/, and in American English it is pronounced /ˈær.oʊ.wɝːm/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Imagine a tiny, see-through arrow shooting through the ocean to catch its prey—that's the arrow-shaped arrowworm.
Conceptual Metaphor
Not applicable. The term is a literal descriptor of form (shape of an arrow) and taxonomy (worm-like).
Practice
Quiz
What is an arrowworm?