noun
- plural of arrowworm; small, transparent marine worms of the phylum Chaetognatha, characterized by arrow-shaped bodies and fins
Usage: zoology; marine biology; plural form
Examples
- Arrowworms are abundant in ocean plankton and serve as important food sources for fish.
- The transparent bodies of arrowworms make them difficult to spot in seawater.
- Marine biologists study arrowworms to understand ocean food webs.
- Arrowworms use their arrow-like shape to move swiftly through the water.
- These tiny arrowworms are found in oceans worldwide at various depths.